In order to use a Feather M0 for debugging some connections need to be made to the Segger J-Link JTAG Debugger. The following parts can be used to create a JTAG FeatherWing:
- Segger J-Link EDU - JTAG/SWD Debugger
- JTAG to SWD Cable Adapter Board
- Adafruit Feather M0 (BLE, WiFi, LoRa, Proto, Adalogger, Packet Radio, etc.
- JST 2-pin cable
2x5 SWD Shrouded JTAG Mini Connector [Digikey Part# 1175-1629-ND]
You can also use our SWD breakout board: