SparkFun Micro Gearmotor - 175 RPM (6-12V) DC/Gearmotor Airsoft Note: This version uses a

Note: This version uses a micro-USB cable

Current 12mA

the 20mm SMD Coin Cell Holder

There are four pins on the QRE1113 - two control the IR emitting LED while the other two are the collector and emitter of a phototransistor

If you are wondering: a coulomb is defind as

SparkFun Micro Gearmotor - 175 RPM (6-12V) DC/Gearmotor Airsoft Note: This version uses aThese micro gearmotors are incredibly tough and feature full metal gears. They have a gear ratio of 150: 1 and operate up to 12 volts and have a stall torque of 45 oz in. and a max speed of 175 RPM. Each micro gearmotor sports a 3mm D shaft. Note: The micro gearmotor enclosures are sold separately, you can find them here. Features: Voltage: 6 12 Volts Gear Ratio: 150: 1 Stall Torque: 17 45 oz in. (6 12V) Speed: 90 175 RPM (6 12V) No Load Current: 40