Flashing user firmware on Electron from SD card

[rickkas7]

I was able to get this to work; it didn't even require ymodem!

Flashing an Electron or Photon from an SD card

This is a example program that allows flashing system and/or user firmware on a Photon or Electron using an SD card. You’ll need an SD card breakout adapter, like one from [SparkFun] (https://www.sparkfun.com/products/13743) or [Adafruit] (https://www.adafruit.com/products/254) and a Micro SD card. [image] SD Adapter Electron SS (CS) A2 SCK A3 MISO (DO) A4 MOSI (DI) A5 You’ll need to use the program [here] (https://github.com/rickkas7/sdfirmwareflash/blob/master/sdfirm…