How to control motor speed with l293d?
Table of Contents
How to control motor speed with l293d?
To control the speed of the motor :
- The speed is set by using an analogWrite to the enable pin.
- Speed of the motor can be changed by changing the value in “analogWrite”, The motor spins at a maximum speed if the value in analogWrite is set as 255.
How to control the direction of DC motor using l293d?
The L293D quadruple half-H drivers chip allows us to drive 2 motors in both directions, with two PWM outputs from the Arduino we can easily control the speed as well as the direction of rotation of one DC motor….Arduino DC motor speed and direction control with L293D.
| IN1 | IN2 | Function |
|---|---|---|
| L | H | Direction 1 |
| H | L | Direction 2 |
| L | L | Fast motor stop |
| H | H | Fast motor stop |
How do you control the speed of an Arduino DC motor?
Motor is connected to a transistor, and the base of transistor is connected to PWM pin of Arduino and motors speed is varied according to PWM signal coming from Arduino….Components.
| Components | Specification | Quantity |
|---|---|---|
| Arduino | Nano | 1 |
| DC Motor | Low Power | 1 |
| Transistor | 2N222 | 1 |
| Power Adapter | 12 Volts | 1 |
What happens when en1 pin of L293D is enabled?
L293D IC Pin Out There are 4 INPUT pins, 4 OUTPUT pins and 2 ENABLE pin for each motor. Pin 1: When Enable1/2 is HIGH, Left part of IC will work, i.e motor connected with pin 3 and pin 6 will rotate.
Can you change the speed of a motor?
As several people have already stated, it is possible to increase the speed of an ac motor by increasing the input frequency to the motor. This is done in industry by adding a variable frequency drive.