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...

@Mikal Jenssen same problem, the X728 shuts down BEFORE the PI. You solved?

@Harry Huang I'm still looking for some help with this. I tried: -disconnecting the x728 hat - deleting the /etc/x728pwr.sh and /usr/local/bin/x728softsd.sh - reconnecting the x728 hat (without ...

@Harry Huang I have the same question.  WHY does it have two inputs?  Can I hook two DIFFERENT inputs and have one output?  How do you switch between the signals?   Thanks

@Harry Huang Thank you...just curious though as to why...are there 2 just in case one does not work? If you have two devices each with their own LVDS signal, would I plug both up to each port? ...

Hello, I am considering buying an X829 board with my raspberry pi4. I am currently running Fedora IoT on it. I am wondering about software compatibility issues with that board, or other like the X...

@Harry Huang I did a complete reflash using Debian ARM64.

@Mal D  Hi,  'do a complete OS reinstall on the Pi.' I understand that you re-flash your TF card, or only update your raspberrypi os via 'sudo apt-get update'? Regards,    

Hi, Thanks. There are 2 way input.

I purchased an x728 UPS hat several months and got it set and running with an RPi 4. It worked great for a few months until I needed to do a complete OS reinstall on the Pi. This time when I tried ...

Hello...just have a question about the two LVDS input ports on teh LVDS to HDMI board. Are they both used for input? Is on for input and the other for output? Just curious why there are two. Thank...

I've been able to pinpoint a possible cause, whenever I power the RasPi4 with the X832 and the provided cable, the HDD is not detected. If that cable is disconnected and I use the USB-C power suppl...

That is exactly the way I'm using it, except I don't have the X735. I thought the USB jumper might be the problem, so I ordered a male-male cable from amazon, and it still doesn't detect the drive....

Hi, Severy key points: 1. Format your new SSD/HDD;  2. Replace the USB connector / JUMPER with USB 3 cable; 3. Use 5G wifi not 2.4G wifi 4. DON'T use metal case if you want to use 2.4G wi...