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RF Wall Switch Cover

by domgregori

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rf-switch sonoff switch rf-switch sonoff switch

Came up with a cheap way to add a sonoff to my lights since the switch box didn't have a neutral wire.

This is version 1 so there's room for improvement.

Part list: ($2.55 for the switch, $9.43 for Sonoff RF, ~$12 total)

[TX118SA RF Module](https://www.aliexpress.com/item/433-mhz-Mini-Wireless-RF-Remote-Control-1527-EV1527-Learning-code-433mhz-Transmitter-For-Gate-garage/32723322798.html)

2x [CR2032 Button Batteries](https://www.aliexpress.com/item/YCDC-6Pcs-card-Bateria-CR2032-3V-Li

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Thingiverse

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