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[[File:X735-IMG-5921.jpg|thumb|right|X735 Metal Case]]
1X735 V3.0 V2.5 supports Raspberry Pi 5 hardware also. There are 4 5 version of X735: V1V3.0, V2.05, V2.1, V2.5 0, V1.0: <span style="color:red;">Version 3.0</span>(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(final versionthe 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. [[File:X735-V30-V25-compare-1.jpg|800px]] '''Some new features of X735 v2.5:'''
* [https://github.com/geekworm-com/x730-script Github]
X735
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[[File:X735-V3.0-01.jpg|thumb|right|X735 V3.0 Packing List]]
[[File:X735-V2.5-01.jpg|thumb|right|X735 V2.5 Packing List]]
[[File:X735-V2.5-IMG-9568.jpg|thumb|right|X735 V2.5]]
[[File:X735-V2.1-Connectors-for-External-Power-Switch.jpg|thumb|right|X735 V2.1 Connectors for External Power Switch]]
[[File:X735-V2-IMG 6726.jpg|thumb|right|X735 V2.0]]
[[File:X735-V2-IMG-6538.jpg|thumb|right|X735 V2.0]]
[[File:X735-IMG-5912.jpg|thumb|right|X735V1.0]][[File:X735-IMG-5914.jpg|thumb|right|X735V1.0]]
[[File:X735-IMG-5915.jpg|thumb|right|X735]]
[[File:X735 and X820 board.jpg|thumb|right|X735+X820 board]]
==Foreword==
<span style="color:red;">Version 2.5</span>(Updated on Mar. 15th, 2021):
* 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 V2.5 Software]]
* Remove the 2pin power cable from X735 v2.5
* No any size changes.
[[File:X735-V2.5-IMG-9573-compare.jpg|600px|X735 V2.5 vs X735 V2.1]]
* [[X735 V2.5 Hardware]]* [[X735 V2.5 Software]]
<span style="color:red;">Version 2.1</span>(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.
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.
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 two kind of a 4PIN power switch (momentary switch and latching switch) port, you can connect the additional power switch to safe control the power on/power off;
==Important Note==
# '''"Auto On"''' Jumper on X735 should be '''removed''' when using '''external switch''';
# '''Both "L-SW" & "Auto On"''' Jumper caps should be '''removed''' when using '''momentary switch''';
# 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)
# Don't use this X735 power mgnt board with other power mgnt board like X725, X750, X705, etc.
# <span style="color:red;">When use X735 with [[X835]]/[[X832]], please '''DO NOT''' power from X735, please power via X835/X832 DC 12V IN PORT.
# When use X735 with X825, X828, X829, X857, X856, X855, X820, X850, X872, X862, X860, X870, X822, X852, please power via X735.
# Don't use latching switch if you are using 'AUTO ON'
# Please power off the X735 when you toggle 'AUTO ON' function.
==Features==
* 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===
* 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;
==Function Description==
===X735 V3.0 ===
Refer to [http://www.suptronics.com/miniPCkits/x735_v3.0-hardware.html |X735 V3.0 Hardware]
===X735 V2.5 ===
Refer to [[X735 V2.5 Hardware]]
Please refer to [[X735 V1.0 Hardware]]
==Installation GuidePCB dimention==* X735 v3.0 Dimensions source file (DXF): [[File:X735-PCB-v3.0.dxf|X735 v3.0 Dimensions source file (DXF)]] - You can view it with [https://viewer.autodesk.com/ Autodesk Viewer] online ==User Manual==
===Installation Video===
* Geekworm Video(X735 with X820): https://youtu.be/I1nnjh9HvGI
{{#ev:youtube|https://youtu.be/I1nnjh9HvGI}}
===X735 V1.0 Installation Guide ManualSoftware Installtion===[[File:X735安装说明You must install the script to enable PWM fan running and safe shutdown function.jpg|X735 installation guide]]
Please choose a different script according to the version number of X735 shield==Document=====for Version 3.0/2.5====
Please refer to [[X735 V2.5 Software]]
====for Version 2.1 or more low version====
Please refer to '''[http://www.suptronics.com/miniPCkits/x735-hardware.html Hardware]''' and '''[http://www.suptronics.com/miniPCkits/x730-software.html 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!
<pre>
x730off
</pre>
===X735 V1.0 Installation Guide Manual===
[[File:X735安装说明.jpg|X735 installation guide]]
==Some Tips==
1. https://github.com/geekworm-com/x735-v2.5/issues/6
==FAQ==
<span style='color:red;'>7.Does the X735 V2.1 support to check the speed of the fan?
Answer: Sorry, no, it X735 V2.1 is not support to check the fan speed by software, please refer to new version X735 V2.5.
(3) sudo rm /usr/local/bin/x730shutdown.sh
<span style='color:red;'>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.
<span style='color:red;'>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.
<span style='color:red;'>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.
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