DIY Automatic Night Light with NE555 | Just 3 Parts, 1 Yuan! 💡
Tutorials
Colin
2026-07-22 18:07
69
Build a simple light‑controlled circuit using only an NE555 timer, an LDR, and a potentiometer – total cost under $0.15! 🌙 When it gets dark, the LED turns on automatically; in daylight, it stays off. Perfect for a night light or automatic ...