Circuit Diagram

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Circuit Diagram

This provides a visual reference for wiring of the components. They aren't true to scale, just meant to be used as reference.

Power Pack

The 3xAAA battery pack can supply ~4.5V which is suffice to power the Circuit Playground Express. The battery plugs directs into the JST connector. You can also power from USB if you don't mind plugging it into a computer or wall adapter

Copper Tape

We'll use copper tape to extend the touch pads to the outside of the cup. The following connections are setup for the program in MakeCode.

  • The pads marked A4, A5 and A6 can connect to the copper tape
 Code Assemble 

This guide was first published on Jan 07, 2019. It was last updated on Jan 07, 2019.

This page (Circuit Diagram) was last updated on Dec 26, 2018.

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