UART to RS232 Converter

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The ARU module is a UART to RS232 Converter designed to provide access to bootloarder of Dragino. In below case you will need the ARU module:

  • Develop a customized firmware on Dragino.
  • Mess up with the network configure and there is no network connection to Dragino.
UART to RS232 Converter

Howto--connect to ms12

Below is the connection to MS12 and the putty setting.

1. Connect it to Dragino 2x8 connector
2. Configure Serial parameter. use putty for example
3. Press ctrl+c during boot to enter Redboot

Hardware Source

Eagle sources for ARU can be found at: