Robodo 8 Channel Tracking Sensor Module Board Trace Module Infrared Detection Electronic Components Electronic Hobby Kit

"Features - Operating voltage: 5.0 V. Supply current: 100 mA. Output format: 8 Analog and Digital voltages. Output voltage range: 0 V to Supplied voltage. Optimal sensing distance: 0.125? (3 mm). This sensor module has 8 IR LED/phototransistor pairs mounted on a 0.375? pitch, making it a great detector for a line-following robot. Pairs of LEDs are arranged in series to halve current consumption, and a MOSFET allows the LEDs to be turned off for additional sensing or power-savings options. Each sensor provides a separate analog voltage output."