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

2x CR2032 Button Batteries

Push Button

Sonoff RF

Print Settings

Printer:

Monoprice Mini Select v2

Rafts:

Supports:

No

Infill:

Category: Household