The latest software can be found on the VOIPAC Wiki TinyRex webpage here >
Baseboard Schematic
How to access TinyRex peripherals (Examples)
HDMI Video Input, Video Output, Change HDMI output resolution, UART Serial Port, GPIO
... more on iMX6 Rex or OpenRex, it's all very similar ...,
iMX6 TinyRex – Streaming video input over WiFi
How to start with TinyRex YOCTO
... more at OpenRex pages, it's very similar ...
Power Input Debugging & Testing
iMX6 TinyRex Serial Console Testing
iMX6 TinyRex EMC Preliminary testing
iMX6 TinyRex Preliminary Testing in an Environmental chamber
iMX6 TinyRex Production EMC testing
iMX6 TinyRex Production Testing in Environmental Chamber