![]() ![]() ![]() Because the Arduino is an Open Source Hardware Design there is wide range of low cost shields available from multiple suppliers. The shield pins are inserted into the sockets located down both sides of the Arduino board. How does Arduino shield work? A shield is a board that can be mounted on top of the Arduino board. This shield you are talking about is used for DC (direct current) and stepper motor. Usually Arduino has enough power to drive servo motors. ![]() On the Mega these are also known as Digital 20 and 21.ĭo I need a motor shield for Arduino? You don’t need this shield to drive servo motors, they have their own controller, you need just a 5V power line, GND and digital output pin to generate a PWM and that’s it. On the Arduino UNO these are also known as A4 and A5. What pins does Arduino Motor Shield use? The shield uses the SDA and SCL i2c pins to control DC and stepper motors. How do I use Arduino Motor Shield? To control a motor using the Arduino Motor Shield, first plug the motor’s positive (red) wire into Channel A’s + terminal on the motor shield, and the motor’s ground (black) wire into Channel A’s – terminal on the shield. ![]()
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