Circuit Playground Express M0 Wiring

by Brent Rubell
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To program the Circuit Playground Express, you'll need to solder directly to the SWCLK and SWDIO pads on the back of the board.

 

After soldering, use a piece of tape or a dab of hot glue to hold the wires in place so they don't rip off of the pads.

Then, make the following connections between the Circuit Playground Express M0 and the SWD breakout:

 

  • Circuit Playground Express SWDIO to Breakout SWIO
  • Circuit Playground Express SWCLK to Breakout CLK
  • Circuit Playground Express VOut to Breakout VRef
  • Circuit Playground Express GND to Breakout GND

You can use breadboard-friendly Alligator clips to attach the Circuit Playground Express VOut and GND pins to the breakout.

You must also plug in a USB cable to the Circuit Playground Express to power it during progamming
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This guide was first published on Jan 25, 2019. It was last updated on Jan 25, 2019. This page (Circuit Playground Express M0 Wiring) was last updated on Oct 14, 2019.