Hello, i have a custom board based on arduino platform using SAMD21 micrcontroller. The board has BLE interfaced to it and i want to change/update its firmware remotely. Is there any way to do this. Suppose if i send the code to an android mobile device which can be connected to the board via ble and this board can accept firmware upgrade through the android mobile.
Thanks
Shivam
my ArduinoOTA library's InternalStorage can store and apply the update binary. you just have to figure out the transport of the binary over BLE.
see the Advanced section in examples of the library on how to use the InternalStorage object
One has to ask why? You write buggy code? Need to add "features"? 
Have a wander over to low power labs , they might have something - they can do it with a UNO.
The “why” is a good question and may reveal
Something else and an easier route
The answer to this question is that yes i need to add more features.
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