Wiring for this project is simple, there are only three connections which need to be made between the Pulse Sensor and Circuit Playground board:

  • Pulse Sensor Black wire to Circuit Playground GND
  • Pulse Sensor Red wire to Circuit Playground VBATT
  • Pulse Sensor Purple wire to Circuit Playground #6

The Circuit Playground can be powered by either USB or the JST battery connector.

Making connections

If you'd just like to experiment with or test this project, you can easily make the necessary connections using three alligator clips. 

For a more permanent approach, you can securely solder the connections.  Clip the male header pins from the pulse sensor leads and then strip and tin each lead before soldering to the terminals on the Circuit Playground board.

This guide was first published on Sep 20, 2016. It was last updated on Sep 20, 2016.

This page (Wiring) was last updated on Aug 12, 2016.

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