ATtiny85 Bathroom Night Light
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A small motion-activated bathroom night light designed for my children.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other House Equipment
- Licencja
- Creative Commons — Attribution — Noncommercial
ATtiny85 Bathroom Night Light
All instructions here: https://github.com/Lafeeleonie/motion_activated_night_light_attiny85
A small motion-activated bathroom night light designed for my children.
The idea is simple: the light should only turn on when the room is dark enough and motion is detected. It stays on for a short time, then turns off automatically. The project is based on an ATtiny85, a PIR motion sensor, a photoresistor, and a LED output driven through a 2N7000 MOSFET.
This is a work in progress. The firmware, KiCad schematic, PCB layout, and schematic export exist, but the hardware may still evolve after real-world testing in the bathroom.
Features
Motion detection using a PIR sensor
Ambient light detection using a photoresistor / LDR
LEDs only turn on when it is dark enough
Automatic timeout after motion detection
Timer refresh when motion is detected again
USB-powered 5 V circuit
Simple ATtiny85-based design
KiCad schematic and PCB layout included
Designed to be cheap, compact, and child-friendly
[BuyMeACoffee](https://buymeacoffee.com/lafeeleonie)