L293d Motor Driver Circuit Diagram Arduino
Connect the pin 2 of l293d to the pin 6 of the arduino.
L293d motor driver circuit diagram arduino. One of the easiest and inexpensive way to control stepper motors is to interface l293d motor driver ic with arduino. Connect the pin 1 of the l293d ic the pin 7 of arduino. The speed is controlled using a potentiometer connected to pin a0 and the direction of rotation can be changed with a pushbutton connected to pin 8. Sometimes it can be extremely hot.
L293d motor driver arduino interfacing. The l293d is designed to provide bidirectional drive currents of up to 600 ma per channel at voltages from 4 5 v to 36 v at pin 8. The l293d is a dual channel h bridge ic capable of controlling two dc motors. A motor driver is an integrated circuit chip which is usually used to control motors in autonomous robots.
L293d shield is a driver board based on l293 ic which can drive 4 dc motors and 2 stepper or servo motors at the same time. How to use arduino l293d motor driver shield. These ics are designed to control 2 dc motors simultaneously. Circuit diagram and connections.
While using this shield 6 analog pins which can be used as digital pins too pin 2 and pin 13 of arduino are free. The connections are given below. First of all we will connect the l293d motor driver ic with the arduino. L293d motor driver modules usually come with an inbuilt lm317 voltage regulator circuit or similar voltage regulating circuit along with connectors.
Arduino dc motor speed and direction control with l293d motor driver. The l293d is a 16 pin motor driver ic which can control a set of two dc motors simultaneously in any direction. How the l293d works. The schematic diagram below shows a simplified version of the internal circuitry that controls one motor.
The most commonly used motor driver ic s are from the l293 series such as l293d l293ne etc. The l293d can control up to two dc motors rated from 4 5v to 36v. In the case of using servo motor pins 9 10 2 are in use. If you want to learn the basics of l293d ic below tutorial is invaluable.
It can control both speed and spinning direction of any unipolar stepper motor like 28byj 48 or bipolar stepper motor like nema 17. Each channel of this module has the maximum current of 1 2a and doesn t work if the voltage is more than 25v or less than 4 5v. Each channel on the ic can deliver up to 600ma to the dc motor. The l293d motor driver s output channels for the motor a and b are brought out to pins out1 out2 and out3 out4 respectively.
Driver ic l293d is available as module and arduino shield. With circuit diagram and arduino source code. Connect the pin 3 of the l293d to one end of the motor.