This 220V Photocell Sensor Switch automatically switches lights ON when it gets dark and OFF when it’s bright, using a built-in light sensor. It’s the classic auto day/night switch for street lights and outdoor lighting.
Key Features
- Automatic dusk-to-dawn switching
- Wired for 220V AC mains
- Built-in light (LDR) sensor
- No manual switching needed
- Weather-resistant body
Specifications
| Voltage | 220V AC |
| Sensor | photocell / LDR |
| Action | ON at dark, OFF at light |
Popular Project Ideas
- Automatic street light
- Dusk-to-dawn outdoor lighting
- Auto porch / garden light
- Energy-saving lighting
Buy it from Arduino Corner — Pakistan’s dedicated Arduino & electronics store in Rawalpindi. Genuine parts, tested before dispatch, COD across Pakistan, and friendly support for your student and university projects.
Wiring & installation guide
We wrote a full guide with a connection diagram for this: How to wire a 220V photocell day/night light sensor — the three-wire diagram, load sizing and the flickering mistake to avoid.
