Automatic Night Lamp
This is an automatic night lamp. The lamp turns on automatically at night. Tweak the value of R2 (or replace with a potentiometer) to adjust the amount of light needed to turn the lamp on/off.
The Circuit
Parts List
Battery
12V
Lamp
Works with 12V
Q1
NPN
Q2
nMOS
R1
Photoresistor (1k-200k)
R2
1000 Ω
R3
10 kΩ
