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Sonoff Basic Decora Light Switch Adapter

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  • sonoff_decora_switch_v1.stl

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3D model size X 67.2 Γ— Y 22.8 Γ— Z 36 mm
Publication date 2021-09-22 at 23:16
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Published to Thingiverse on: 2019-01-13 at 02:11
Design number 526632

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3D model description

This is a work in progress for those of us who use Sonoff Basics combined with regular light switches to make it into a cheap smart WiFI switch. Here is a video that explains it: https://youtu.be/ab472a40-co?t=369 Basically, you're wiring your regular light switch to the low-voltage GPIO on the Sonoff. Then the light switch controls the relay on the Sonoff which controls the lights.

I printed out the model and it fits my Sonoff Basic perfectly. I know that there are multiple revisions. This one was designed for "Sonoff Basic R2 V1.0" but looks like it would work with the newer version. I haven't tested whether it fits well in an electrical box yet, but I don't see why not.

Please take the necessary precautions when working with high voltage, and use this thing at your own risk.

Link to buy Sonoff Basics on Amazon (affiliate link): https://amzn.to/2SMushj

Edit 1/29/19: I put it in a single-gang junction box and it fits. Had to trim down the built-in button, but that's it. Also, make sure that the ground wire isn't going to short anything out.

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