Kids OK with adultESP32Level 1/3
Did I Lock the Door?
Away from home and not sure? Send /status and your phone tells you if the door is LOCKED, not just closed.
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Kids OK, with an adult
DIY project. Children must build this only with an adult (16+ years) beside them at all times. Not suitable for children under 8 years.
Strictly follow the description given with this video.
Video
The video link will be added here soon.
How it works
- The reed switch sits in the door frame and the magnet on the bolt.
- Only when the bolt slides out (locked) does the magnet reach the reed.
- A switch on the door edge would only tell you closed, not locked.
- The ESP32 answers /status through a chat bot, from anywhere.
Parts you need
Kit for this projectPrice on request
Get the kitWiring
PowerGroundSignal
| # | From | Connect to |
|---|---|---|
| 1 Ground | Reed switch A | ESP32 GND |
| 2 Signal | Reed switch B | ESP32 D27 (INPUT_PULLUP) |

3D print files
This project has no 3D-printed parts.