Dark Sensitive Lamp ON/OFF Controller
- Rajkumar Sharma
-
11406Views
- medium
- Tested
Dark Sensitive Lamp controller project switches a load connected to it when light falling on LDR (Light Dependent Resistor) goes bellow set point. It could be used as an automatic street light application. The project is based on Triac and doesn’t requires additional DC supply, it works directly on 230VAC.
Features
- Mains supply input 230 VAC
- Output load up to 500 W lamp / bulb
- Snubber circuit
- Sensor LDR
- Screw terminal connector for easy input mains supply and load connection
- Small size PCB
- Four mounting holes of 3.2 mm each
- PCB dimensions 37 mm x 49 mm
Schematic
Parts List
Connections
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Comments
what the value of R3 100E?
4 years agoR3 is a 100 Ohm resistor.
4 years agowhat is the wattage of the resistors?
2 years agoResistors are rated at 1/4W
2 years agoHow we can adjust light intensity in this circuit.
1 year agoTry to change resistor R1 with another value, but keep in mind that you work with MAINS and this can kill you.
1 year agoMy device was blinking in off mode what is the possible/recommendation to solve the problem?
5 months ago