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54mm (100mil) spaced holes
Integrated cable management system keeps cables organized and protected
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
Note: This version uses a micro-USB cable
If you are wondering: a coulomb is defind as
SparkFun Micro Gearmotor - 175 RPM (6-12V) DC/Gearmotor Airsoft 54mm (100mil) spaced holesThese 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
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