Pumping¶

The water pump is also a motor, which converts the mechanical energy of the motor or other external energy through a special structure to transport the liquid.

Required Components

1. Arduino UNO

2. Jumper Wire                                        

3. L298N Module

4. Centrifugal Pump

SCHEMATIC

IN1~IN4 are the inputs of the L298N module, and OUT1~OUT4 are the outputs.

A simple way to use them is: input high level for INx, OUTx will output high level; input low level for INx, OUTx will output low level. Connecting the two ends of the motor to OUT1 and OUT2, inputting opposite level signals for IN1 and IN2 will make the motor rotate. OUT3 and OUT4 can be used in the same way.

Wiring

L298N	R3 Board	Motor
12V	5V
GND	GND
IN3	9
IN4	10
OUT3		one wire of the motor
OUT4		one wire of the motor

Code

Note

• You can open the file 1.4.pumping.ino under the path of 3in1-kit\basic_project\1.4.pumping.

• Or copy this code into Arduino IDE.

• Or upload the code through the Arduino Web Editor.

///THIS IS THE CODE HERE

@STEMx NG

const int motorPinA = 9;

const int motorPinB = 10;

void setup()

{

  pinMode(motorPinA, OUTPUT);

  pinMode(motorPinB, OUTPUT);