The Light Sensor detects the ambient light level using a phototransistor. The value returned is a quasi-logarithmic analog value that allows the Light Sensor to be used over at least four decades of light. This means that the Light Sensor can detect small changes in light and dark environments.
Sensor Type: Three Wire Analog Sensor
Dimensions: 32 x 32 x 12 millimeters
Mounting Holes: 24 x 24 millimeters
Power: 5 volts DC, 20 mA max.
Signal Logic Levels: Analog 0 – 5 volts
All the information you need about
Modern Robotics Sensors in one document.