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  • 01:40, 5 September 2020 RTindy talk contribs posted a new comment on ESP32-DevKit (I cannot see com ports on my ESP32 Easy Kit ESP32-C!Evidently, my usb to uart device driver is not working. What do I need to do to connect?)
  • 23:23, 1 September 2020 64.137.130.131 talk posted a new comment on UPS3 (Can I add pins to the back of the module in order to attach another HAT on top of it?)
  • 17:37, 1 September 2020 Serveurperso talk contribs posted a new comment on UPS3 (It look the long awaited product for small robots. All other have some hardware bugs and problem, this one pass all intensive testing we make for small Vigibot.com community robots.)
  • 18:07, 31 August 2020 Georgefeichter talk contribs posted a new comment on X708-Software (I can't get the pi to shut down through a command at the command line. I type this: x728off and I get this: /usr/local/bin/x728softsd.sh: line 5: echo: write error: Device or resource busy X728 Shutting down... But nothing happens. Any ideas anyone?)
  • 11:30, 31 August 2020 Cindy talk contribs posted a new comment on X825 (Hi, Because we found that USB 3.0 high-speed transmission will interfere with the Raspberry Pi's 2.4G wifi signal. So if you find the 2.4G signal is unstable, please try to use WIFI 5G AP. (Please refer to: raspberrypiwiki.com/X825#Document))
  • 00:12, 31 August 2020 100.15.49.112 talk posted a new comment on X708-Software (I read it as #X728 RTC setting up #sudo sed -i '$ i rtc-ds1307' /etc/modules #sudo sed -i '$ i echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device' /etc/rc.local #sudo sed -i '$ i hwclock -s' /etc/rc.local)
  • 00:04, 31 August 2020 100.15.49.112 talk posted a new comment on X708 (Which is it a battery WITH built-in protect circuit or WITHOUT??? Will this fit the n300 case? Is I2C address changeable?)
  • 00:38, 30 August 2020 150.143.208.154 talk posted a new comment on X708-Software (Hi Just got your x708 and installed it. Step 3 of the software instructions is not very clear. Which lines need to be commented out? Like this: ============================== #because X708 doesn't support RTC function, so we need to remove or comment out (add # at the beginning of the line) the following 4 lines #X728 RTC setting up #sudo sed -i '$ i rtc-ds1307' /etc/modules sudo sed -i '$ i echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device' /etc/rc.local sudo sed -i '$ i hwclock...)
  • 21:57, 29 August 2020 181.114.109.222 talk posted a new comment on X825 (¿por que el wifi no funciona cuando conecto esta expansion?)
  • 13:07, 29 August 2020 96.3.24.64 talk posted a new comment on X710 (I am having difficulty in finding this --- XH2.54 --- power switch connector. I can match the 2 pin connectors on the board but not the power switch connector (4 pin) Please help. THank you :-))
  • 16:48, 28 August 2020 Cindy talk contribs posted a new comment on HDMI TO CSI-2 (Hello sir, Both Raspberry Pi 3 or Raspberry Pi 4 are OK to use with this HDMI to CS2 .)
  • 12:38, 28 August 2020 Harry talk contribs posted a new comment on X708 (In fact, you can use the 18650 battery witout safety circuit, and it's more better.)
  • 11:38, 28 August 2020 Harry talk contribs posted a new comment on X872 (Yes. you are right.)
  • 14:56, 27 August 2020 Jerzenimo talk contribs posted a new comment on USB 16x2 RGB LCD (Is there a way to set the backlight on/off? LCD2USB seems to offer contrast and brightness settings only.)
  • 06:22, 27 August 2020 189.34.248.116 talk posted a new comment on 2.8 inch Touch Screen for Pi zero (Facing issues with version B and a raspberry pi zeor w. Installed all the drivers. The screen is connected, and is obviously receiving power. But the screen itself just doesn't show anything, it is a black screen.)
  • 09:45, 24 August 2020 Kawsar talk contribs posted a new comment on Robot Expansion Board (hi Jinyk , Hope my message fins you in good health . Could you please share the file for sensor with me . i would be really appreciate it . kawsarfarooq@yahoo.com)
  • 11:50, 22 August 2020 173.174.136.213 talk posted a new comment on T200 (Ah figured out I had to jump the J48 pins to allow for DC power. Next question: is this charging the batteries while plugged in?)
  • 11:22, 22 August 2020 173.174.136.213 talk posted a new comment on T200 (Hello, any more info on how to make this work? I have 4 batteries which show a half charge, everything plugged in like the photos, with USB control cable and header in, DC power from T200 to Jetson, and main power plugged in also. When pressing power button, the board shows Blue power light, but the jetson nano does not power on. What am I doing wrong?)
  • 19:42, 20 August 2020 Cindy talk contribs posted a new comment on X710 (Hi friend, You can use our PSW19, https://geekworm.com/products/power-control-switch-for-x820-or-x735)
  • 19:40, 20 August 2020 Cindy talk contribs posted a new comment on X710 (Hi friend, Sorry not support.)
  • 19:39, 20 August 2020 Cindy talk contribs posted a new comment on X728 (Hello sir,Sorry, do design case but you caan use the HAT size acrylic case or N300 for X728, please refer to https://geekworm.com/.)
  • 19:08, 20 August 2020 47.41.19.7 talk posted a new comment on 2.8 inch Touch Screen for Pi zero (I think I am having the same problem. The screen is connected, and is obviously receiving power. But the screen itself just doesn't show anything! I followed their driver instructions, and after reboots, it simply doesn't do anything beside turn on the backlight.)
  • 05:47, 20 August 2020 136.34.63.178 talk posted a new comment on 3.5 LCD B (I've attempted to get this to run for over a week. It has not ran. I suspect the file is not working with pi 4b . Any help or advice would be nice .) Tags: Mobile web edit, Mobile edit
  • 01:46, 19 August 2020 107.184.50.252 talk posted a new comment on X735 (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.)
  • 21:18, 18 August 2020 122.249.183.92 talk posted a new comment on X728 (Is there a case of the just size?)
  • 15:41, 18 August 2020 Jodur talk contribs posted a new comment on Does the X825/X855 support USB boot (I managed to use this board for Homeassistant (https://www.home-assistant.io/) and used the beta v5.1 HassOS that supports SSD booting. I can confirm this is working with this board, however i get Kernel Messages about UAS mode. After applying usb.quirk as describerd here (https://www.raspberrypi.org/forums/viewtopic.php?t=245931) there are no errors anymore. How well is UAS mode implented in youre device?)
  • 16:34, 17 August 2020 73.1.13.244 talk posted a new comment on X728-hardware (Clarify please feature "Auto-On". Here is scenario: 1. Software detect AC-power loss. 2. Software gracefully shutdown RPi (battery still charged!). 3. AC-reapplied. Will be RPi turned automatically on?)
  • 19:27, 14 August 2020 46.44.159.48 talk posted a new comment on X710 (Is there a script to regulate fan RPM for temperature ranges? Thanks!)
  • 18:47, 14 August 2020 46.44.159.48 talk posted a new comment on X710 (Nice board. Can you please point me to a manual on how to use the "Power switch connector"? An external on / off button would be good to have.)
  • 02:26, 14 August 2020 95.223.56.254 talk posted a new comment on X708 (I have not found any 18650 Lithium ion batteries with a safety circuit that are 65.3 mm long. All of the 18650 type batteries with a safety circuit are 68-69 mm long. Comments??) Tags: Mobile web edit, Mobile edit
  • 22:41, 12 August 2020 208.103.2.194 talk posted a new comment on X728-Software (I am getting an error when trying run the x728bat.py script. Below is the information I am getting on the Raspberry Pi 4. sudo python x728bat.py Traceback (most recent call last): File "x728bat.py", line 3, in <module> import smbus ImportError: No module named smbus)
  • 18:37, 11 August 2020 Cindy talk contribs posted a new comment on X765 (Hi friend, Sorry, X765 does not support connect any battery,please refer to X708.)
  • 16:31, 11 August 2020 82.65.109.25 talk posted a new comment on X735 (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 ?)
  • 06:50, 11 August 2020 Pmsr talk contribs posted a new comment on X728-Software (The setup script creates all files on the fly. If you edit it you will see them.)
  • 05:46, 9 August 2020 109.171.137.229 talk posted a new comment on 2.8 inch Touch Screen for Pi zero (@jdeFalconr: Any luck troubleshooting this issue? I'm attempting to use the MZP280V04TR V1.0 model screen with a raspberry pi zero w. I've followed the Read.me instructions for installing the device drivers. Once I 'sudo reboot' the screen backlight turns on, but there is no image displayed (i.e., no raspbian desktop). I haven't found any additional information online to help me troubleshoot this issue. Has anyone been able to get this screen working?)
  • 03:45, 8 August 2020 35.134.21.24 talk posted a new comment on X728-Software (Where are the additional files. The git only has the setup script. But the script calls for the files, which are absent. Any help?)
  • 23:56, 6 August 2020 78.34.229.145 talk posted a new comment on X735 (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?)
  • 22:48, 6 August 2020 173.165.48.1 talk posted a new comment on LVDS To HDMI Adapter Board (Can this run LVDS in at 800x600 at 100Hz?)
  • 20:05, 6 August 2020 145.128.163.81 talk posted a new comment on X825 (Can the X750 be used to power the X825?)
  • 23:24, 5 August 2020 77.8.144.68 talk posted a new comment on X400 V3.0 (Important information missing as well: The power switch simply cut the power to the whole system. there is no proper shutdown of the raspberry, it is like removing the plug. To turn off the raspberry in a clean way when pressing the button, I made a small circuitry with a relay that latches the poser supply and sends a power interrupt to the pi to turn it off when the button is pressed. The relay opens the power to the board once the rpi has shut. There are some out-of-the-box shields on inte...)
  • 23:14, 5 August 2020 77.8.144.68 talk posted a new comment on X400 V3.0 (There is an error on the power switch connector. Pin 3 is not GND but the voltage of the power supply. (for example in my case I supply 12Vdc -> the pin is at 12Vdc). That Voltage is also the one supplied on the Speaker and power terminal (it is always supplied, also when the system is off by power switch))
  • 23:10, 5 August 2020 77.8.144.68 talk posted a new comment on X400 V3.0 (There is an error on the power switch connector. Pin 3 is not a GND but)
  • 23:09, 5 August 2020 77.8.144.68 talk posted a new comment on X400 V3.0 (the IR should be accessible on GPIO26. Then you can look up on other forums on how to use the IR on a RPi, there are several tutorials.)
  • 16:07, 5 August 2020 178.239.96.34 talk posted a new comment on Robot Expansion Board (Hi, does this hat work with the circuitpython motorkit library that superseded the Adafruit-Motor-HAT-python library?)
  • 14:52, 5 August 2020 93.144.37.202 talk posted a new comment on Raspberry Pi IR Control Expansion Board (What is the purpose of the second LED? Is it to have more power?)
  • 05:06, 4 August 2020 Christr talk contribs posted a new comment on 2.8 inch Touch Screen for Pi zero (So the issue with the Blue/Yellow appears to be when the serial driver loads, it for some reason resets GPIO 7 & 8. So the setting that the vendor put in /boot/config.txt gets overridden. So, I put the following mini startup script in to run on boot. Script location-name: /etc/systemd/system/fixgpio.service Script contents below: [Unit] Description=fix gpio for screen [Service] Type=simple ExecStart=/usr/bin/raspi-gpio set 7-8 a2 [Install] WantedBy=multi-user.target Then run service fixg...)
  • 04:47, 4 August 2020 173.69.3.2 talk posted a new comment on 2.8 inch Touch Screen for Pi zero (Found my own fix. edited: /etc/X11/xorg.conf.d/99-calibration.conf reversed the Calibration section options a bit. Mine is now this after calibration: Section "InputClass" Identifier "calibration" MatchProduct "ADS7846 Touchscreen" Option "Calibration" "3964 151 3843 240" Option "SwapAxes" "0" EndSection)
  • 04:45, 4 August 2020 173.69.3.2 talk posted a new comment on 2.8 inch Touch Screen for Pi zero (So the issue with the Blue/Yellow appears to be when the serial driver loads, it for some reason resets GPIO 7 & 8. So the setting that the vendor put in /boot/config.txt gets overridden. So, I put the following mini startup script in to run on boot. Script location-name: /etc/systemd/system/fixgpio.service Script contents below: [Unit] Description=fix gpio for screen [Service] Type=simple ExecStart=/usr/bin/raspi-gpio set 7-8 a2 [Install] WantedBy=multi-user.target Then run servic...)
  • 03:11, 4 August 2020 Christr talk contribs posted a new comment on 2.8 inch Touch Screen for Pi zero (How do you rotate the touch part? I wanted to rotate display and set display_rotate=1 which works, but how do you also rotate the touch portion? thanks --chris)
  • 17:05, 3 August 2020 133.49.33.112 talk posted a new comment on T200 (Hi. please tell me why don't use 18650 battery with built-in protection circuit. And which 18650 battery is suggested? Thnak you.)
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