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JAF-IDU-UART-Access.md

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JAF IDU UART Access

Disclaimer: This is ONLY for educational purposes, No one is responsible for any type of damage. So be aware.

Steps

  1. Strip apart the IDU and find the 4 uart pins; usually marked on most models of IDU. Some models have pins already soldered onto the pads so you don't have to. UART pin

  2. Only connect Rx , Tx and GND ; do not connect 3.3v pin to your usb-to-ttl or whatever device you are using as a serial converter as it may fry your IDU.

  3. Install putty if you dont have a serial terminal already. use the configs below and connect the IDU to your serial converter.

  4. power on the IDU and see text starts flowing on your terminal. If you see garbled text then check your connections or try reversing the Rx Tx pins.

Configs 🐮

BaudRate: 115200
DataBits: 8
StopBits: 1
Parity: None
FlowControl: None

Note

This has been tested on JIDU6801 and if you still encounter garbled text then maybe your model has a different baud rate; try using other common baud rates. Also your usb to ttl might be having issues so do check that.