Curious about connecting a motor to your microcontroller? In this NerdKits video tutorial, we explore motors from an electrical perspective, and see how back EMF, resistive, and inductive considerations lead to the design of a motor control circuit. Finally, we show two demos, one with a motor controlled with a toggled digital output, and the other with pulse width modulation (PWM) to adjust the speed in proportion to the temperature. For more details, source code, and more, see: www.nerdkits.com
Tags: nerdkits, dc, motor, brushed, electromagnetic, voltage, current, torque, speed, mosfet, back, emf, 2n7000, transistor, n-channel, resistance, inductance, stall, winding, coil, triode, breakdown, pwm, pulse, width, modulation, control, microcontroller, avr, atmega168, digital, output, sensor
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