what we do



The ARU module is a UART(TTL) to RS232 Converter which can convert Dragino ms14 UART port to RS232 connection.

It is designed to provide access to bootloarder of Dragino mother boards. Or used to debug the UART signal from Dragino. 

  • UART(TTL level) to RS232 converter
  • Compatible with MS12 and MS14
  • Main chip: adm3202a
  • DB9F output
  • Use environment:
    • Develop a customized firmware on Dragino and want to have access to Dragino bootloader.
    • Loss network connection to Dragino which can not fixed by failsafe mode
    • Debug UART transceiver. 


Install instruction and hardware source is available wiki

Last modified on 20 October 2013
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