- Open box

- Make wiring diagramm

- listen on i2c

16:02:40.750 -> Scanning...
16:02:40.803 -> I2C device found at address 0x50  !
16:02:40.850 -> I2C device found at address 0x51  !
16:02:40.850 -> I2C device found at address 0x52  !
16:02:40.904 -> I2C device found at address 0x53  !
16:02:40.950 -> I2C device found at address 0x54  !
16:02:41.004 -> I2C device found at address 0x55  !
16:02:41.004 -> I2C device found at address 0x56  !
16:02:41.051 -> I2C device found at address 0x57  !
16:02:41.104 -> done

With Arduino uno

5V didn't work but og 12V did --> leads to 4,75 Vcc on board

Apparently Arduino can't spy on I2C, use logic analyzer

- - read EEPROM

- - listen for commands

http://ww1.microchip.com/downloads/en/devicedoc/doc0180.pdf

https://www.vishay.com/docs/70628/70628.pdf