@Harry Huang  Fresh installed: OS Buster (update + dist-upgrade) git  seeed-voicecard  pip, spidev SPI enabled Voice-Hat (download + unzip) sudo python pixels.py /va...

@Harry Huang  No other GPIOS used. Fresh installed buster. Which kind of errors? pixels.py runs and prints whatever I want. SPI is activated. I will try to watch syslog and post it later. ...

Hi,  Thanks. 1. Do you use other GPIO pins? 2. Could you provide more details such error snapshot or other photos? Regards

Hello, I'm using the Voice HAT Voice_HAT Speaker and Micro are working with seeespeeker Software. (Raspberry 3, Raspberry Pi 3A+, Buster) LEDs are not working. Green LED is permanently ON. ...

Hello,   I bought in 2018 april a HIFI DAC + for my raspberry P3B+ and there's no problem. Now I would connect the optical output of my TV on the DAC and I would like to know if it is possi...

Dear all, If you find that you have encountered an IO error like the following picture, please contact us(info@geekworm.com) to update the firmware.   IMPORTANT!!! This software is strict...

Has anyone been successful using the LVDS to HDMI adapter on the 1.1 Cabinets? I have had no luck but not sure if its the monitor I'm using, i tested both a 23" Asus VH236H and an LG 27GN850-B. I c...

hello! before shutdown, i need to perform an action on the RPi.. can the switch off button's message to Rpi be edited in order to perform this action before the acutal safe shutdown? let's say: 1...

Has anyone try to get the X708 ups hat working on a pi4 with Ubuntu 20.10 running? Ihave working the i2c service, and the start/stop button is working as must be. I must say that I am not a linux e...

Hi friend, Thanks for your email. Really sorry that the X820 V3.0 case does not support X708 UPS board. You can use the X820 board +X708 UPS without the X820 V3.0 case for Raspberry Pi 3B+. The...

Hello I currently have a Raspberry Pi 3B +, I want to buy ( 1 set of X820 + X820 V3.0 + X735 ) case but I want more UPS Power. Can I replace X735 to X708? and X820 to X825 or not? ( X820 care +...

For some reason I can't edit my previous posts. Anyway, does the X728 rely on GPIO3 to wake the RPi? If I use this function will I have a problem with powering up the RPi?

I just found this kernel option for config.txt - should I be using this on GPIO12? Name: gpio-poweroff Info: Drives a GPIO high or low on poweroff (including halt). Enabling this ove...

That's useful info - are you relying on the kernel to hold GPIO12 high until the kernel is stopped? Otherwise how do you ensure that GPIO12 does not become 0 before the filesystems have been unmoun...

Hi, Hello, our shutdown logic is as follows: when the system is in normal use, gpio12 is 3.3V, if GPIO12 will becomes 0 after the system is shut down safely, once the MCU detects that GPIO12 is 0,...

@Micu Valentin  Hi,  It is theoretically possible, but we have not tested it.  

I have an X728 v1.2 with a Raspberry Pi 4B, and I'm trying to get the whole system (both UPS and RPi) to power down in a safe manner. I have a simple script of my own that is initiating an automat...

Can i power it from a solar panel via DC 5525 Jack in ?

I am integrating the X825 with other electronics and would like to connect to the PWR SW and 5V Out connectors. Please provide either specific part numbers or the manufacturer and family informati...

Hello, I've just purchased the x825 and x735, all of which are working nicely. When I try and add a Justboom Digi hat, the network (both wired and wireless) and hard drive stop working. There is n...