The speed depends on the percentage of duty cycle. The motor stops if duty cycle is 50% (approximately). The motor will run in one direction if the duty cycle is less than 50% and another direction if more than 50%. The direction of motor depends on whether the duty cycle of PWM signal is less than or more than 50%. These pins are limited to driving no more than about 40 mA of current. PWM pin of MD10C is always connected to HIGH (5V), while DIR pin is fed with d to PWM signal. There are 20 GPIO (General Purpose Input Output) pins on the standard Arduino Uno and the SparkFun Redboard. In this mode, only 1 signal is required to control both speed and direction of motor. To control motor direction, DIR pin is connected to HIGH or LOW for different direction, whereas PWM pin is fed with PWM signal to control the motor speed. You require 2 separate signals to control the motor, one is for direction (counterclockwise or clockwise) and another is for the speed. One of the features of MD10C is it supports both sign-magnitude and locked anti-phase PWM signal, means you can control motor in 2 different ways! It offers several enhancements over the MD10B such as support for both locked anti-phase and sign-magnitude PWM signal as well as using full solid state components which result in faster response time and eliminate the wear and tear of the mechanical relay.
#DC MOTORS ARDUINO DRIVER#
Lithium Ion Rechargeable Battery and ChargerĮnhanced 10Amp DC Motor Driver (MD10C) is an enhanced version of the MD10B which is designed to drive high current brushed DC motor up to 13A continuously and 30A peak (for Rev3.0).
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