X735

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X735 V3.0 Packing List
X735 V2.5 Packing List
X735 V2.5
X735 V2.1 Connectors for External Power Switch
X735 V2.1
X735 V2.0
X735 V2.0
X735 V1.0
X735 V1.0
X735
X735+X820 board

Foreword

X735 V3.0 V2.5 supports Raspberry Pi 5 hardware also.

There are 5 version of X735: V3.0, V2.5, V2.1, V2.0, V1.0:

Version 3.0(Updated on Mar. , 2022):

Some new features of X735 v3.0:

  • Support width voltage DC 6V-30V input (only DC port), you still can use 5V PSU via type-c or micro usb port.
  • Remove the latching switch connector(the latching switches are no longer supported.), and add a XH2.54 5V OUT connector;
  • Replace the L-SW jumper with FAN FS jumper to control the PWM fan;

Because we found that there are some beginner who don't know how to install the script to make the PWM fan run, or the installation script doesn't support 3rd party OS, at this time, you just need to remove the FAN FS jumper, the PWM fan will run at full speed.

X735-V30-V25-compare-1.jpg

Some new features of X735 v2.5:

Version 2.5(Updated on Mar. 15th, 2021):

Some new features of X735 v2.5:

  • Use the silent PWM cooling fan, and support fan speed is control by script, support read fan speed, and we provide sample python code.
  • You must install shell script to enable the PWM fan work fine since it's a PWM fan, refer to X735-script
  • Support TRUE AUTO ON function (in the old version,the power management function is disabled if AUTO ON is enabled)
  • Considering that some customers use X735 together with other DAC shield, we adjusted the GPIO pins used.
  • Please install shell script to get safe shutdown function. please refer to X735-script
  • Remove the 2pin power cable from X735 v2.5
  • No any size changes.

FAQ

A: How to detect that the X735 v2.5 hardware is working fine?

Q: DON'T insert the X735 V2.5 into the Pi 4 board, only power the X735 v2.5 alone, then press the on-board switch, fan rotation means hardware is ok.

X735 V2.5 vs X735 V2.1

Version 2.1(Updated on Oct. 30th, 2019): Only change jumper 'FAN_HS' to 'AUTO ON' function; because we found 'AUTO ON' function is more useful to user.

Version 2.0(Updated on July, 30th, 2019): special update for raspberry pi 4 model B. Support all current models of the Raspberry Pi using a 40-pin header including pi 4 / 3B+/3B/2B/B+.

Add TYPE C power port for Raspberry pi 4 model B, and replace the 'select button' with L-SW jumper, add the another FAN_HS jumer to enable full speed fan. In fact, X735 v2.0 can have more performance.

Version 1.0:(Released on June, 24th) : designed for raspbery pi 3B+/3B/2B/B+

X735 V2.0 vs X735 V1.0


2.The X735 works seamlessly with the X825/ X883/ X828/ X829/ X857/ X862/ X832/ X835/ X872/ X820/ X850/ X830/ X860/ X870/ X852/ X822 to build your NAS storage center. At the same time, considering that you need a matching shell, we also design cases that can support X735.

At this point, you already have a mini linux working host.

Overview

The X735 is a multifunctional expansion board for all current models of the Raspberry Pi using a 40-pin header. It provides intelligent and safe power management, safe shutdown and full poweroff through software, an automatic temperature controlled fan which enables the use of the Raspberry Pi in extreme conditions including very high temperature environments. The X735 also reserves the 40-pin header that can be stacked with other Raspberry Pi accessory boards for enhanced applications.

At the same time, x735 reserve a 4PIN power switch (momentary switch) port, you can connect the additional power switch to safe control the power on/power off;

Important Note

  1. Safe shutdown script: Document
  2. Full power off via software is not supported when using a external latching switch;
  3. "L-SW" Jumper on X735 should be removed when using onboard switch / momentary switch;
  4. "Auto On" Jumper on X735 should be removed when using external switch;
  5. Both "L-SW" & "Auto On" Jumper caps should be removed when using momentary switch;
  6. Support 4 kinds of power supply: Micro USB, Type C(rccommend), DC5525 port (recommend), XH2.54. (Do not power the Raspberry Pi via the Raspberry Pi's Micro-USB socket)
  7. Don't use this X735 power mgnt board with other power mgnt board like X725, X750, X705, etc.
  8. When use X735 with X835/X832, please DO NOT power from X735, please power via X835/X832 DC 12V IN PORT.
  9. When use X735 with X825, X828, X829, X857, X856, X855, X820, X850, X872, X862, X860, X870, X822, X852, please power via X735.
  10. Don't use latching switch if you are using 'AUTO ON'
  11. Please power off the X735 when you toggle 'AUTO ON' function.

Features

Intelligent and safe power management

  • Equipped with both momentary button and latching switch for easy power control
  • Press the momentary button or external momentary power switch to turn on
  • Press the momentary button or external momentary power switch and hold for 1~2seconds to reboot
  • Press the momentary button or external momentary power switch and hold for 3~7seconds to implement safe shutdown
  • Press the momentary button or external momentary power switch and hold for more than 8 seconds to force shutdown
  • Supports safe shutdown and full poweroff through software
  • On-board switch convenient to select latching or momentary power control switches
  • Press the latching power switch once to turn on and again to implement safe shutdown
  • On-board LED shows the status of power on, reboot and shutdown
  • On-board PH2.0 connectors allows to use external latching switch or momentary button
  • Powers the Raspberry Pi via the 40-pin header - no additional cabling required
  • Allows power input via DC jack or Micro-USB socket or XH2.54 connector
  • Allows power output via XH2.54 socket and or the 40-pin header

PWM Cooling Fan for X735 V2.5

  • Dedicated PWM cooling fan for Raspberry Pi
  • Air flow up to 6.01CFM and maximum speed of 5000 RPM
  • Smooth PWM adjustment provides a quiet experience
  • Real-Time fan speed reading
  • Programmable temperature and fan speed

Auto cooling function for X735 V2.1/V2.0

  • Dual trip point temperature controlled cooling fan
  • Auto-Control the fan for Cooling / quiet Operation
  • Board temperature ≤34C - Fan running at low speed
  • Board temperature ≥34C - Fan running at medium speed
  • Board temperature ≥45C - Fan running at full speed
  • On-board LEDs show the status of fan running low and high
  • No driver and additional setting required for the cooling fan

Others

  • Reserved 40-pin stackable Header for Add-On Boards
  • Works with all current models of the Raspberry Pi using a 40 pin header
  • Fully compatible with our products X820, X850, X860, X870, X822, X852 to provide intelligent and safe power management
  • Four kinds of power source:(DC5525, Micro USB, Type C, XH2.54 2-Pin cable)

Power supply request

X735 support 4 kinds of power supply:

  • DC5525 port: Can provide up to 4A power supply capability.
  • Type C power port: specially designed for Raspberry Pi 4 Model B
  • Micro USB; Compatible with your original mirco usb power adapter
  • XH2.54 2Pin Cable: This is a flexible power supply

Since X735 V3.0 is wide voltage input, so we have some advise to X735 V3.0:

Different voltages have different rated currents. Generally speaking, the lower the voltage, the larger the required rated current. For example, when the voltage is 12V, the rated current of 2A is enough, if the voltage is 36V, 1A is enough, but if the voltage is 6V, the rated current should be more than 3A.

That is to say, the output power of the power adapter should be greater than the normal working power of the Raspberry Pi;

Generally speaking, we require the output power of the power adapter to be above 20W;

Hardware Description

Model URL
X735 V3.0 X735 V3.0 Hardware
X735 V2.5 X735 V2.5 Hardware
X735 V2.1 (Sold out) X735 V2.1 Hardware
X735 V2.0 (Sold out) X735 V2.0 Hardware
X735 V1.0(Sold out) X735 V1.0 Hardware

PCB dimention

User Manual

Installation Video

Software Installtion

You must install the script to enable PWM fan running and safe shutdown function.

Please choose a different script according to the version number of X735 shield

for Version 3.0/2.5

Please refer to X735-script

for Version 2.1 or more low version

Please refer to Hardware and Software and read them and follow the instructions before ask any questions, thank you!

The safe shutdown script is same with X730.

We test this shell script base official Raspbian '2018-11-13-raspbian-stretch.img' version;other operating systems not be tested!

#Download run script

git clone https://github.com/geekworm-com/x730-script

cd x730-script

#Setting file attributes
sudo chmod +x x730.sh

#Install the script
sudo bash x730.sh

#Setting up the command to turn off X730 from software 
printf "%s\\n" "alias x730off='sudo x730shutdown.sh'" >> ~/.bashrc

#Reboot the Raspberry Pi
sudo reboot

#Powering off the Raspberry Pi from software
x730off

X735 V1.0 Installation Guide Manual

X735 installation guide

FAQ

1.How to use the Auto Power On jumper and Latching Switch Jumper on X735 V2.1 version board?

Answer:

There two jumpers: Auto Power On jumper and Latching Switch Jumper on X735 board.

  • Auto Power On jumper
Short - Auto power-on when power applied

Open - Power on when power button pressed

  • Latching Switch Jumper
Short - Using external latching switch
Open - Using on-board power button or external external momentary switch
  • 1. When use X735 V2.1 with Geekworm X825-C2 Case, we equipped momentary switch in X825 metal case, please remove both of the jumper caps.
  • 2. As the auto power on function use latching switch, if you need to use auto power on function, please connect an external latching switch to X735 board or use X735 on board power button.


2. Which GPIOs are used in the X735 V2.1 script?

Answer: The GPIO4, GPIO17 and GPIO18 is used for power management. And the rest GPIO pins are available to use.


3.What if I connect the x820 XH2.54 5v to the IN of the X735, and then connect the power supply to the x820. Will the safe shutdown work?

Answer: This is no suggested, because power supply for X820 cannot be controlled by X735 and safe shutdown won't be implemented as well. You need to power from the X735 5V IN DC port.


4.Does the x735 power board work with the rock64 board? is the 40 pin connector compatible with the rock64 40 pin connector?

Answer: In fact, we didn't test X735 based with ROCK64, and we didn't consider ROCK64 board when we wrote a safe shutdown shell script, so we think X735 is not compatible with ROCK64. Also the PIN definiton of ROCK64 is different with Raspberry Pi. So it is not suggest to use X735 board with ROCK64.


5. What is the pinout for the PWR Switch?

Answer: Please refer to here: PH2.0 Conector Specification


6.Does the X725/X750 support to use with X735 together?

Answer: Please refer to Connecting the X725 UPS to the X735 Power Supply


7.Does the X735 V2.1 support to check the speed of the fan?

Answer: Sorry, no, X735 V2.1 is not support to check the fan speed by software, please refer to new version X735 V2.5.


8. Why my RPi4 will switched off directly after connected to the X735?

1. Please confirm all product connection is correct first. If you are not sure about the connection, please attach some pictures and contact us for help.

2. Please also do the following test and show us the result.

  • Remove X735 from the Raspberry Pi
  • Connect the power to X735
  • Press the blue button on X735. Does the blue LED light up? Does it turn off automatically?
  • Press and hold for more than 8 seconds, will the blue LED go out?


9.How to remove/unload the X735 script from your Pi?

A: Open the /etc/rc.local file (sudo nano /etc/rc.local or vim /etc/rc.local to open the /etc/rc.local file;), and seach x735, then comment out that line (add # on the begin of that line);


10. Can the x735 work in harmony with the x765 POE?

  • A: Yes, but the X735 must be set as "AUTO ON" mode.


11. Does this supply safe shutdown when power is cut? Or just safe shutdown when power is constant and a signal switch is cut

  • A: Sorry, no, the X735 does not support safe shutdown when power is cut. Please consider X728 if you need this function.


12. How to delete X735 script completely?

  • A: Run the coomand ./uninstall.sh if you found this command in the x735-script fold.


13. Can I connect DC supply 5V and at the same time connect Powerbank to USBC input of X735 as a some kind of "UPS"?

  • A: No. It is not support to do so.
The POWERBANK output may not have a polarity protection circuit, and there is no path management for this connection.


14. After installing the script, the fan does not turn?

  • A: Please run the following command and tell us the result. Or upgrade the system to reinstall the test.
sudo python /home/pi/x735-v2.5/pwm_fan_control.py
"/Home/pi/x735-v2.5" indicates the path where pwn_fan_control.py is located.


15. Is there any way to check or verify if X735 is physically connected to the Raspberry Pi?

  • A: GPIO17=1, X735 connected, GPIO17=0 , X735 discontinued.


16. What is the current draw with power off?

  • A: It is less than 1mA.


15.Why does the following message appear: this power supply cannot supply 5 a power to peripherals with be restricted when using raspberry pi 5 hardware?

  • A: The following settings are required, from the command line or terminal window start by running the following command:
sudo rpi-eeprom-config -e
Change the setting of POWER_OFF_ON_HALT from 0 to 1 ,
Then add PSU_MAX_CURRENT=5000 at the end of the file that reads like this:
X120x setting1.png
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Anonymous user #66

27 days ago
Score 0++
Hello. What happens if you short L-SW and Auto On at the same time?

Lisa

25 days ago
Score 0++
Hi,Could you please tell us why you want to do this? If you want to use a latching switch--[remove Auto On, short L-SW].This is the V2.1 version,please refer toX735_V2.1_Hardware . Currently, the V3.0 version does not have the L-SW jumper.

Anonymous user #65

4 months ago
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does the X735 V3 also have a auo poweron jumper?

Walker

4 months ago
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X735 V3.0 have the auto on jumper

Anonymous user #64

5 months ago
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Will X735 v3.0 work with raspberry pi 5?

Walker

5 months ago
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Hi, we haven't tested x735 on Raspberry Pi 5 yet, it should not work!

Anonymous user #63

7 months ago
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hello. i have the x735 v2.1 installed on a rpi 3b. I installed the appropriate x730 script from the github repo as per instructions for the v2.1 hat. everything works great for a few shutdowns/reboots but, and i have tried this five times now, after a few reboots the root fs becomes locked and im greeted with a notification that the fs is corrupt and has been locked by root and system becomes unbootable. currently im using it with out the script just fir the cooling fan but it would be great if i were able to actually use its power management functions. also this is while using raspian bullseye images.

Walker

7 months ago
Score 0++
Hello, could you please provide your order number? you can contact us via our email: support@geekworm.com we will do our best to solve your problem

Anonymous user #61

19 months ago
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I have x735 v2.1, x825 and case x825-C6. I just updated to bullseye and now i can't get momentary switch to work. any updates for people with older versions?

Lisa

19 months ago
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Hi, please refer to X735 Hardware x735 v2.5 Pin Header instraction

Anonymous user #62

19 months ago
Score 0++

Hi Lisa,

the x735 2.5v link you sent me breaks the pi. It didn't reboot and wont restart.

The listed x735 2.1v software doesn't work on Bullseye.

I need the software for the x735 2.1v that works with Bullseye

Lisa

19 months ago
Score 0++
Hi, please refer to X735 V2.1 Hardware---remove both 'L-SW'&‘Auto On’ Jumpers when using momentary switch

Anonymous user #60

20 months ago
Score 0++

I would like to add an additional function to the momentary switch when you push it for less than 1 second while the device is on. ( i.e. Execute a python script ). Is this possible? If yes, are there any examples?

Thanks in Advance.

Lisa

20 months ago
Score 0++
Sorry,This setting is not supported at this time.

Anonymous user #59

21 months ago
Score 0++

Good morning. Whereas I purchased X735 V3.0 and a quality 5V power supply; and I have read all documentation and understand set up.

May I cordially ask whether pressing the on-board 'blue power button' initiates the shutdown script in the same way as using a momentary switch plugged into JST PH 2.0mm?

Many thanks in advance. With kindest regards.

Yours sincerely.

Lisa

21 months ago
Score 0++

Hello,

After a successful installation of the script, the button switch can perform a safe shutdown.X735 Software

Press 1~2seconds -- reboot

Press 3~7seconds -- safe shutdown

Anonymous user #59

21 months ago
Score 0++

Thank you. With kindest regards.

Yours.

Anonymous user #57

21 months ago
Score 0++

Hi, After installing the script, the pwm_fan_control.py file does not run. I get the following message:

Can't connect to pigpio at soft(8888)

Did you start the pigpio daemon? E.g. sudo pigpiod

Did you specify the correct Pi host/port in the environment variables PIGPIO_ADDR/PIGPIO_PORT? E.g. export PIGPIO_ADDR=soft, export PIGPIO_PORT=8888

Did you specify the correct Pi host/port in the pigpio.pi() function? E.g. pigpio.pi('soft', 8888)

I ran the killall pigpiod command before trying the fan control file.

Anonymous user #58

21 months ago
Score 0++
It was a python 3 issue. I changed python to python3 in the pwm_fan_control.py

Lisa

21 months ago
Score 0++

Hi,Please refer to X735 Software

NOTE:

The install.sh script will make sure this command line is put into the rc.local file, you don't need to do anything.

Please change 'python' to 'python3' if you are using python3.

Please make sure the file path of pwm_fan_control.py is correct.

Anonymous user #56

23 months ago
Score 0++

Hi,

on a Raspberry Pi 4 only the USB port that receives power is capable of acting as a USB Device. The other USB ports are capable only of acting as USB Hosts. To power the Raspberry and use USB type C at the same time, you have to buy a splitter. Using the x735 module it is possible to be able to use the raspberry type C as a device while the power supply goes into the type C of the x735? Thank you in advance.

Lisa

23 months ago
Score 0++

Hello,

X735 does not affect any USB ports.

Anonymous user #55

23 months ago
Score 0++
When powering via the 6-30v dc input, how much current should the power supply be rated for? Does that vary based on the input voltage?

Anonymous user #55

23 months ago
Score 0++
Also, is that positive center pin?

Lisa

23 months ago
Score 0++

Yes, the higher the voltage, the lower the required current value.

DC port :it's positive center pin.

Anonymous user #54

24 months ago
Score 0++
x735-v2.5 要如何完整的刪除呢?我按照(12、如何徹底刪除X735腳本?)執行,把風扇移除,系統無法開機,必須裝回風扇模組.

Lisa

24 months ago
Score 0++
你想要彻底删除脚本,然后移除风扇重新装脚本吗?

Anonymous user #52

24 months ago
Score 0++
While powering the X735 via a usb-c 5V 4A power supply and a usb extension cord, I see frequent "Undervoltage detected" errors in the logs. Would a higher voltage DC power supply connected to the DC port provide more reliable power?

Lisa

24 months ago
Score 0++

Hello,

Could you please let us know what power are you using [a usb extension cord]? It would be best if you can provide us a picture of the installation--please email to [support@geekworm.com].Thanks.

Anonymous user #53

24 months ago
Score 0++

I'm using the geekworm 5V 4A usb-c power supply that you sell with the X735, and this cable:

amazon.com/dp/B09LQXTQ32

Lisa

24 months ago
Score 0++

①In addition to the Raspberry Pi, is the X735 connected to other expansion boards or devices?

②If you don't use an extension cord and power the X735 directly, will the low voltage warning still appear?

Anonymous user #51

24 months ago
Score 0++

Hello support, when I connect X735 to my rpi4 and i switch the blue button on, after booting up for a few seconds, rpi4 shuts down (all leds off). No way to restart rpi4 until i switch x735 off and then on (pressing and holding the blue button for more than 8secs) and, as before, rpi4 shuts down after a few seconds.

What's wrong with it??

Lisa

24 months ago
Score 0++

Hello,

Which version is your x735 board? What power supply are you using? DC or Type C? By the way the DC port of X735 V3.0 version only supports DC 6V-30V.

And we received your email and it would be helpful if you could provide more details. thanks.

Anonymous user #51

24 months ago
Score 0++

Hello, my RPi4 will switched off directly after connected to the X735. Press the blue button on X735. Does the blue LED light up?YES Does it turn off automatically? NO

Press and hold for more than 8 seconds, will the blue LED go out? YES

Lisa

24 months ago
Score 0++

Hello,

Sorry, I don't understand your question, your operation is correct, press and hold for 8s - force shutdown. If you want to use safe shutdown, you need to install the script.

Anonymous user #50

25 months ago
Score 0++
Hello, how much Watt / Voltage / Ampere can i use on the 4 pin PWM fan connector? I would like to use 2 pwm fans with 5v / 0.25W max power.

Lisa

25 months ago
Score 0++

Hi,

x735 V3.0 PWM fan specification: 5V -- 0.15A, but X735 only has one 4pin fan interface and cannot connect 2 PWM fans.

Anonymous user #49

26 months ago
Score 0++
Hello, I'm using X735 v3.0 with X832. I followed through with the video and removed the jumper from X832. It will not power on. X832 powers up fine without X735.

Anonymous user #49

26 months ago
Score 0++
Found the problem and fixed it. The red/black wire was straight through when I received it. I was able to reverse the wire and it turned on. Video gave me the hint. All good.

Anonymous user #48

27 months ago
Score 0++

HI, i am using X735 V2.5 and a X862 V2.0 and i am installing windows 11 on the SSD. How do i get X735 to work? Could you help me with this, please?

thanks

Rakesh

Lisa

27 months ago
Score 0++

Hi,Rakesh

On Windows 11, x735 fans can be supported to work. But we're not sure if Safe Shutdown is supported.

Anonymous user #47

28 months ago
Score 0++

Hi, do you have a case where place only RPi4 and The X735 V2.5 ?

Regards

Lisa

28 months ago
Score 0++

Hello,

There is currently no such Case for Pi4 + X735

Anonymous user #46

29 months ago
Score 0++

Bonjour, après avoir suivi les guides d'installations matériel et logiciel, la raspberry 3B+ est bien alimentée mais ne s'allume plus. Alimentation sur la x735 v2.5.

J'ai effectué plusieurs essais mais toujours le même problème.

Lisa

29 months ago
Score 0++

Hello,

Could you please tell us more details, what system are you using? Please reboot after successfully installing the software.

Anonymous user #45

32 months ago
Score 0++

Hello Support! The X735 V2.5 does nothing anymore when i apply Power. Before it works fine. When i press the Blue Button for 5 seconds the LED is flashing then LED is out. FAN is not turning.

bought about 10 month ago. please help!

Lisa

31 months ago
Score 0++
Hi,Please send a test video to let us know more information and please note your order number【support@geekworm.com】.Thanks

Anonymous user #44

33 months ago
Score 0++
Hi, I'm trying to install a X735 V2.5 on an X820 board with with a PI 3B. Once connected I have power to the 820 and the 735 but the Pi 3B is not getting any power. Am I missing something here? (Followed the video above)

Anonymous user #44

33 months ago
Score 0++
Also everything works fine with only using the 820 with the Pi3B

Lisa

33 months ago
Score 0++
Hi,Are you connected to the power supply via x735? Could you please send a n installation picture? send to support@geekworm.com

Anonymous user #44

33 months ago
Score 0++
I'll send it over.

Anonymous user #43

35 months ago
Score 0++

I have the X735 v2.0 as well as a Pi4 8GB and the x857 case. Everything was working great for the past few months. Today however i went to turn off my x857 case using the momentary power button. It powered off fine but i noticed that the x735 and fan remained on. This had previously completely powered off before. Also if i try to turn the device back on using the power button, it now doesn't work.

The power button flashes blue briefly and nothing happens. I end up having to pull the AC power (via USB C cable) and reconnect. Not sure why my start option is not working anymore. I tried removing the scripts and re-installed and the result is the same. Any ideas how to fix this?

Lisa

35 months ago
Score 0++
Hello,If the fan is still working, it means that a device is supplying power to the x735. Please check if there is any device supplying power to the x735 after turn off. and please check whether the jumper cap is removed. Or contact us by email to get help faster.

Anonymous user #43

35 months ago
Score 0++
i found the issue I was plugged into the USB C on the PI instead of the USBC on the x735. Must have unplugged it to move it at some point then connected it back in the wrong AC port. Once i connected it back to the x735, everything is working as expected again. Thanks

Lisa

35 months ago
Score 0++
Hi,Please do not supply power through the Pi4; When use X735 with X825, X828, X829, X857, X856, X855, X820, X850, X872, X862, X860, X870, X822, X852, please power via X735.

Anonymous user #42

37 months ago
Score 0++
why the fan so noise

Anonymous user #39

37 months ago
Score 0++
Can anyone confirm that version 2.5 supports I2S DAC type hifiberrry?

Anonymous user #41

37 months ago
Score 0++

Were you able to confirm compatibility with hifiberry DAC+.

I have major delays with audio once I installed the x735

Lisa

33 months ago
Score 0++
Hi,X735 can be used with Geekworm's DAC, such as the x930 board, but for other DAC, please pay attention to the problem of GPIO occupation. Because GPIO conflict may occur. Function Description: please refer to X735 V2.5 Software

Anonymous user #38

40 months ago
Score 0++
Can I get circuit diagram(schematic) support?

Anonymous user #37

41 months ago
Score 0++
What does "safe shutdown" mean? I checked syslog, but the Linux shutdown sequence is not executed and the power turns off suddenly. Please let me know in what sense it is "safe". Thank you for your time.

Lisa

36 months ago
Score 0++
Hi,The safe shutdown is performed by the installed script.

Heinemann

42 months ago
Score 0++

For the RPi4, the software can also be installed under the operating system ubuntu-Mate-20.04.1 Beta2 64-bit from Paspberry.org for the Geekworm / Suptronics module X735 x730.sh the software can be installed functionally with a small trick. Some preparations are necessary for this: 1.) A full-upgrade of the system must be performed via the terminal. 2.) install wiringpi 3.) Install synaptic gpio-zero (to search under python3) 4.) In the root folder to open the directory /etc with administrator rights and create an empty file named rc.local. 5.) This file must be opened, subsequent lines entered and then saved the file.

  1. !/bin/sh –e
  2. rc.local
  3. This script is executed at the end of each multiuser runlevel.
  4. Make sure that the script will “exit 0“ on success or any other
  5. value on error.
  6. In ordert o enable or disable this script just change the execution
  7. bits.
  8. By default this script does nothing.
  1. Print the IP address

_IP=$(hostname –I) || true if [ “$_IP“ ]; then printf “My IP address is %s\n“ “$_IP“ fi

/etc/x730pwr.sh & exit 0 6.) Of course, you can save this file (with the same name) from an RPi4 with Rasbian_OS on which the x730 software is installed and running, search in the directory /etc of the root directory on a USB stick and save this file in the above root directory /etc of the ubuntu-Mate. 7.) In both variants, as an administrator, the access rights of this file must be controlled and adjusted (as owner e.B. not pi but karl-Karl Cuckoo (according to your administrator login account) with write and read right, group and other than root with read right). The file must be marked as executable. 8.) Run sudo apt-get update in the terminal. Only now can the installation of the x730 software as under http://raspb...dex.php/x735 or www.suptronics.com/miniPCkits/x730-software.html described. After starting x730off in the terminal, you will receive an error label, which can be ignored. Final measures: a.) On the desktop "Personal folder of ..." open the /etc directory as administrator twice and open the directory /etc in the root directory. b.) From x730pwr.sh create a link and place it in the administrator-free "Personal folder of ..." Drag. c.) The access rights of the files x730.sh and x730pwr.sh as above under 7.) check and adjust described. d.) Copy the file x730.sh to the directory /etc of the root directory opened with administrator rights (optional). e.) "Personal folder of ..." opened on the desktop click on the link x730pwr.sh twice with the left mouse button and click on the "Run in terminal" window in the window that appears. An error message is displayed that .....is already occupied. Therefore, the Momentary Switch function cannot be executed. Only the Latching power Switch function can be executed. d.) The system must be shut down via the taskbar menu and then the Momentary Switch button is pressed until the button LED goes out and the RPi4 is powerless. e.) Briefly press the Momentary Switch button (< 1 second). This turns on the supply voltage of the RPi4 and the RPi4 boots up to the login window. After entering the user password, the system boots up and the functions of the Momentary Switch can be checked: Press and Release >> RPi and X735 turn on Power LED stays on Press and hold for 1-2 seconds >> System rebooting Power LED Blinks rapidly Press and hold for 3-7 seconds >> System shutting down Power LED Blinks slowly Press and hold for > 8 seconds >> Force shutdown

Have successfully tested several times, both with the ubuntu-Mate versions Beta1 and Beta2.

Xiali

42 months ago
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Hi dear ,thanks for your effort,There are many Raspberry Pi fans exchange experiences on our official website, you are welcome to join us https://geek...munity/forum

Anonymous user #36

42 months ago
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Hi, I have raspberri pi 4 whit Ubuntu 20.04. Could you explain step by step the procedure you did for ubuntu mate 20.04 (also describe in your original language)?

Will it also work on Ubuntu 20.04? Grazie Best Regards

Nicola

Anonymous user #35

43 months ago
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Is it possible to change the switching temperatures for the fanspeed?

Xiali

43 months ago
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Hi dear ,Not support currently, but we are planning to update this feature in the next version of X735,By the way ,There are many Raspberry Pi fans exchange experiences on our official website, you are welcome to join us https://geek...munity/forum

Heinemann

45 months ago
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Benutzername: Heinemann Mein System besteht aus RPi4 8GB, dem Modul X735 V2.1, einem USB3.0 Hub mit separater 5Vdc Einspeisung und einem 5Vdc 5,5A Netzteil. Die 5V Versorgung des Systems erfolgt über den DC5525 Jack des X735 und dieser speist den RPi4 über die GPIO-Pin und den USB3.0 Hub über den 5V Out (XH2.54mm 2pin). An dem USB3.0 Hub sind zwei SSD über USB-Adapter angeschlossen. Die maximale Stromaufname einer SSD beträgt 0,85A. Das System läuft mit den Einstellungen arm_freq=2000 Over_voltage=4 stabil. Es wurde einem Stresstest mittel sysbench ausgesetzt ( Core-threads=4, CPU-max-prime=10000, time=1200 ) plus pallel laufendem YouTube-Video. Das System wurde mittels rpimonitor und Psensor überwacht und protokolliert. Die CPU-Temperatur stieg von 37°C auf maximal 58°C an. Ich möchte wissen wie hoch der vom X735 Modul maximal schaltbare Strom sowohl zum RPi über die GPIO-Pins als auch über den 5V Out (XH2.54mm 2pin) ist ohne dass der X735 Schaden nimmt. In den zum X735 mitgelieferten Datenblatt ist darüber nichts zu finden. Der in der Power jack (power input and power output) Tabelle angegebene Wert 5Vdc +/- 5%, > gleich 3A kann nicht richtig sein. Sicher ist < gleich 3A gemeint, was ich als zu niedrig ansehe. Ich habe die Funktion des momentary power button sowohl beim Betriebssystem Raspbian als auch ubuntu-mate-20.04.1 64-bit überprüft. Es funktionierten nur der Start durch kurzzeitiges Betätigen und Force shutdown. Die anderen nicht auch mit einem anderen X735 und RPi4 nicht. Da ist wohl noch Arbeit notwendig. Etschuldigung ich bin des Englischen nicht mächtig.

mfG. Heinemann

Anonymous user #34

43 months ago
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Haben Sie das Skript installiert?

Anonymous user #33

45 months ago
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Is there a way to monitor the fan speed in a python script?

Xiali

43 months ago
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Hi dear,Sorry it can not monitor the fan speed in a python script currently, this is controlled by hardware, but we will add this feature in the next version, By the way ,There are many Raspberry Pi fans exchange experiences on our official website, you are welcome to join us https://geek...munity/forum

Anonymous user #32

46 months ago
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I have the x735 v2.1 working on a pi 4B and I am trying to use the x735 as a power management. Since Pi requires 5V 3A and my monitor requires 5V 2A, I want to provide 5V 6A (fast charging cable) to X735 using USB C, and it provides power to pi though 40 pin and provide power to monitor though 5V out on x735. Does this work? I try to use the usb C for my power supply.

Anonymous user #40

37 months ago
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Did you solve this problem ?

Anonymous user #31

46 months ago
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I have the x735 v2.1 working on a Pi 3B+ running Buster. X735 is powered through DC5525 Jack connector. I'm surprised to see that "5V OUT" XH connector does not provide 5V to power an additional fan. Is there any particular setting i'm missing ?

Anonymous user #30

47 months ago
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The x735 is using GPIO18 for PWR_MGMT, but I want to use a ir sensor like tsop 3xx.

With the sensor connected every time the x735 is shutting down. how could I solve that?

Anonymous user #29

47 months ago
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I have the x735 v2.1 working on a Pi 4B running Buster. However it doesn’t work when I plug a HiFiBerry DAC + Pro due to conflicts with GPIO.

The Pi system just halts after the DAC kicks in from the script /etc/x730pwr.sh HiFiBerry states the GPIO18 the sound interface in hardwired on the Pi so it can’t be mapped onto another pin.

GPIO18 is only used for software shut down $ x730off that I’m not going to use Reference script /usr/local/bin/x730shutdown.sh

I have re mapped the GPIO4 and 17 in script /etc/x730pwr.sh and still no good so it must be down to the GPIO of the x735 being activated from the DAC!!

Question is has anybody else managed to get the x735 v2.1 working with a HiFiBerry DAC + Pro?

Or do I get another Power Management Unit? Or a different DAC?

Or dump the PM Unit idea altogether?

Anonymous user #39

37 months ago
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It seems that they have solved it with version 2.5 of the board.

Anonymous user #29

48 months ago
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Before using the X735 v2.1 I plunged it into a working Pi4B. Using the momentary power button(external one and nothing so used the PCB button), no jumpers connected, no PSU connected to the Pi, it behaves like this:- 1 Pressing power button Pi powered up, fan and lights on X735 on Pi good. 2 Pressing the power button 1 to 2 secs nothing, no flashing LED's and no action. 3 Pressing the power button 3 to 4 secs all powered off Pi and X735 as if I had pulled the plug and no flashing LEDs

I don't need software power off so no need for x730.sh

Do I need to do something else to get it to work properly?

Anonymous user #27

48 months ago
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After installing the Raspberry Pi 4B in the enclosure with X735 and 2 X828 and this script the raspberry with buster 4.19.118-v7l+ does not respond anymore to the sudo reboot command. Instead it does a halt, at least it seams that way. Before the Pi 4B responded normally.

The sudo poweroff works normally, but I need a reboot from remote.

Anonymous user #27

48 months ago
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I have Rasp 4B with 2x X828 and 1x X735 with casing

Manual reboot does not work and press the button 1~2 sec. does not work either. System goes down, but no reboot. Is there an solution?

Anonymous user #26

48 months ago
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I upgraded to the X728 and it does not cooperate at all with the X735 script, when i startup this script automatically shuts it down. How do i completely uninstall this script so i can install X728 Script

Anonymous user #25

49 months ago
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I bought two x828 boards and a x735 board for my raspberry pi 4 to connect two hard disks, a Samsung evo 860 (SSD) and a Seagate barracuda (HDD).

I've followed the instructions in the videos to assemble all boards with the raspberry and disks and everything works properly except when I want to reboot the system with the command: sudo reboot. The system shuts down but but it doesn't restart and I have to unplug the power adapter to reboot the system.

I've tried the raspberry only with x735 and works fine and reboot is ok. And i've also tried the raspberry with one of the x828 with any of the disks and works fine and reboot is ok. But when I combine the two boards the problem shows up. Seems like the problem is with Samsung disk because when i disconnect the x828 with this disk, the reboot works fine.

Anyone knows a solution?

Anonymous user #28

48 months ago
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Have you found a solution to this problem? I have exactly the same concerns.

I have rpi4b with an X735 and the X828. My x735 powers my rpi4b and the x828. During a reboot, it goes out correctly but does not come back on. forced to reboot the x828 for the rpi4 to restart.

Anonymous user #24

49 months ago
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ok. I have debugged this setup to this point. GPIO4 is the input from the x735 pertaining to the pressing and duration of the press for the power button. GPIO18 is the output from the Pi board to the x735 to power off. The problem I am seeing is with GPIO17's output. GPIO, in the script is labelled as "BOOT", but I am having an issue following the logic pertaining to the output. I can manually toggle it, and nothing happens. This is where I feel is the disconnect users are having with reboots. The shutdown script works ok, though in my configuration, I needed to ad more time to the delay. So, the question is, "What is the x735 supposed to do when GPIO17 from the RPi goes high?" Without a breakdown of the coding on the x735, it is hard to tell what the problem is.

Anonymous user #23

50 months ago
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What happens if I connect the power supply from the output port X735 to the output x820 XH2.54 5v out, then I connect the power supply to the x735. The x820 card would be properly powered?

Cindy

50 months ago
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Hi friend, Sorry, I'm a little confused, could you please contact us by email also use some photo to show your description? When use the X820 with X735, the power supply should be connected to X735. Thanks! Best regards,

Cindy/Geekworm

Anonymous user #22

50 months ago
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The auto cooling dosn't work! The fan runs allways in fullspeed and very loud. Is there a script to control the speed? Or to check the temperature?

Cindy

50 months ago
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Hi friend,

Sorry, no, it is not support to check the fan speed by software.But if you have the DIY skills, the engineer can told you how to change the Components to adjust the fan speed.

Anonymous user #21

51 months ago
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As other's have said the script doesn't seem like the best way to do this. Is there a better script to do this? This thing is eating up CPU.

Cindy

51 months ago
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Hi, maybe you can refer to here X856#Some_Tips to get some information.

Anonymous user #20

51 months ago
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Thanks.

Anonymous user #19

52 months ago
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Everything was working fine, but recently the low power lightning bolt started showing up. My pi 4 starts just fine without the x735 and no lightning bolt so it is not my power supply. Why is the x735 just now saying it has low power?

Admin

52 months ago
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Hi, Could you tell me what kind of power adapter you are using?

Almost all electronic equipment has a voltage drop

Anonymous user #18

53 months ago
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My fan runs allways in fullspeed, why the auto cooling dosn't work?

Admin

52 months ago
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Hi, What version do you have? You can attach your order number and contact us with support@geekworm.com. Thanks! Best regards,

Cindy/Geekworm

Anonymous user #15

55 months ago
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I have a DSD3231 real time clock that doesn't appear to work when plugged in to the X735. I think that sharing pin 7 (GPIO 4) may be the issue. Have you tested the X735 with any RTC boards?

Anonymous user #16

54 months ago
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I can confirm my PCF8563 RTC is working

Anonymous user #14

55 months ago
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The provided script seems like a bunch of dirty hacks, leaving stuff running in the background all the time.

Wouldn't it be better to use udev rules and triggerhappy?

Anonymous user #17

54 months ago
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I have now been actively testing the software. The background script is taking 13% CPU on a Raspberry Pi 4! And a load of above 2 consistently.

Sorry, but this software really is a terrible solution and I would recommend no one to run it.

Anonymous user #13

57 months ago
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Is there a way to turn off the usage of GPIO18 if I don't care about power management and let the fan run at full speed all the time? It's the only pin in conflict with the Fe-Pi audio board. As is it now it is powering everything off when the audio card is attached.

Anonymous user #10

59 months ago
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I purchased the case with the X735 and X850.Safe shutdown on SSD startup is now possible.The setting used X730 x730.sh and made a little correction of the setting referring to Customer Video: https://yout...be4wyYbs.Why does the manufacturer not support safe shutdown on SSD boot?

https://www....irohiro.007/