You can use this experience to bring the Internet of Things to garden watering. The Arduino code presented is easy to straightforward to understand. I hope you can follow the connection steps and complete the water pump control application. We learned how to control a water pump in this project. – > Check out our guide to the Top 12 Best Arduino Online Courses Conclusion The motor will turn on when you drive a logic 1 to the TIP 120 transistor. In the figure STM32 Digital pin can be any Arduino pin as well. You can control the TIP102 BJT in the image above using a digital pin. To power the motor, you can use a FET or a transistor as a switch. You can use a 12 V water pump with Arduino. How do you use a 12-volt water pump with Arduino? You can use dedicated motor control drives or a transistor as a switch to control the motor supplied by a separate power supply. If you carefully choose the proper power supply, you can power a water pump using Arduino. Usually, the water pumps will consume more power than the Arduino 5 V pin can supply. In this article, we powered a water pump to water the garden. To change the direction of the motor, you have to use an H bridge.Īn H bridge is a simple circuit you can build using 4 transistors. If you are controlling a toy car using a DC motor, you can change the direction of the motor. The Arduino can control the direction of the motor. How does an Arduino control the direction of the Motor? Please ensure you select the proper power supply to power all the motors. If you use an Arduino UNO to control the Motor, as we did in the article, you can control more than 15 motors. This article taught us the easiest way to control the motor using a MOSFET as a switch. You can use motor controller ICs, which reduce the Arduino’s burden and provide multiple safety and valuable features. How many motors can an Arduino Control?Īrduino can control motors used for various applications. If you have further questions, kindly post them in the comments section. I have included a list of the most frequently asked questions about projects built using Arduino and the water pump controller. Int v = 100 //comparison variable(needs some adjustment)įAQs About Arduino And Water Motor Control Projects The Arduino will run the motor to fill the tank.Īnalog pins are used to sense the water level.Ī 16 x 2 LCD provides good options to display the controller’s status. The below circuit connects Arduino UNO to the motor, a display unit, and a host of sensors. Project 2: Automatic Water Level Controller the loop function runs over and over again foreverĭigitalWrite(RELAY_PIN, HIGH) // turn on pump 5 secondsĭigitalWrite(RELAY_PIN, LOW) // turn off pump 5 seconds initialize digital pin A5 as an output. the setup function runs once when you press reset or power the board This example code is in the public domainĬonst int RELAY_PIN = 3 // the Arduino pin, which connects to the gate pin of MOSFET When you want to turn on the motor, drive logic 1 (5 V0 to the MOSFET gate and vice versa. You work with the MOSFET the same way you try to power on a LED. The Below code is simple and straightforward to understand. Safety Warning: When you work with water, ensure you keep the electronics away from moisture and water 100% of the time.
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