DIY Automatic Night Light with NE555 | Just 3 Parts, 1 Yuan! 💡
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 lighting. Adjust sensitivity with the pot, and power it with 4.5‑18V DC. Load current limited to 200mA. Full schematic included – try it yourself!
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