Keypad Light Switch Cover Interactive PIN Pad
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Description
Turn your boring light switch into a functional PIN pad! This cover replaces your standard single-gang switch plate and houses a 4x3 matrix keypad, letting you trigger your Arduino with a secret code. Inspired by servo-based light switch automation projects, this takes it a step further with user-input control.
This design was part of my "10 Interactive Switch Mods" series — check out all the variations and build guides over at PluggedIn3D: https://pluggedin3d.com/arduino-light-switch-mods/
🔧 Required Materials
- ELEGOO UNO R3 Starter Kit (includes breadboard, wires, resistors): Amazon affiliate link
- 4x3 Keypad (2-pack): Amazon affiliate link
As an Amazon Associate I earn from qualifying purchases.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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