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OTA updates to external MCU using Xbee3 modules

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I am building a proof-of-concept using the XBee3 module. I am planning to use an external MCU for a couple of reasons:

1. The MicroPython interface does not have its I2C interface ready yet
2. I need to control a display that is easier to operate with an external MCU.

I am using a Gecko MCU from Silicon Labs as my external MCU (similar to the EFR32 chipset on the XBee3 series).

I am aware that the XBee uses a modified UART bootloader from Silicon Labs. Since the EFM32 also uses an UART bootloader, I am trying to find a solution that would enable updating the firmware on the Gecko MCU using the XBee3 module.

Any recommendations are appreciated
asked Sep 11, 2018 in XBee3 by yamanoorsai New to the Community (1 point)

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