Description
In pitch-black conditions, the photocell’s resistance will be in the megaohm’s (1.0MΩ+) range. Shining an LED on the sensor can drop the resistance to near zero, but usually, the resistance of the photocell falls between 8-20kΩ in normal lighting conditions.
By combining the photocell with a static resistor to create a voltage divider, you can produce a variable voltage that can be read by a microcontroller’s analog-to-digital converter.
This is a kit with a large assortment of resistors: Resistor Kit 600pcs 1/4W [10 – 1MOhm] 30 Values – Stelltron
Specifications:
- Maximum voltage (vdc): 150
- Maximum power consumption (MW): 100
- Ambient temperature (°C): 25
- Spectral peak (nm): 540
- Bright resistance (10lux) (thousand ohms): 5-10
- Dark resistance (Mega): 0.5
- Response time (ms): rising: 20 falling:30
Packing List:
- 5x photoresistor
