You will be assembling two nearly-identical circuits.

The jumper wire (shown in orange) between pins 9 and 10 should be installed on only ONE of the two boards! It won't work any other way. This distinguishes the "transmitter" board from the "receiver" board.

The green wire is an antenna…required on both boards…it needs to be a specific length, explained further on the next page…

This guide was first published on Sep 02, 2016. It was last updated on Sep 02, 2016.

This page (Wiring Diagram) was last updated on Apr 22, 2021.

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