DC Motor Speed Control with NRF24L01, Rotary Encoder & Arduino

In this video tutorial, we are gonna learn how to use a rotary encoder with NRF24L01 wireless transceiver module to control the speed of a rotating fan or a DC Motor wirelessly using an incremental type Rotary Encoder. We will simply make a wireless transmitter and receiver circuit. The transmitter circuit with the Rotary encoder will control the receiver circuit with DC fan or motor. Both the section will have common Arduino and NRF24 L01 wireless transceiver module.

We have two sections, one as transmitter and other as a receiver. The transmitter section has Rotary encoder as input. The rotary encoder is an incremental type. It will either increase the raw value in clockwise rotation or decrease the raw value in anticlockwise rotation. Then we have Arduino as a processing unit. The processed code is then transmitted via the NRF24 Module.

On the receiver side, the NRF24 module receives the signal wirelessly. The received signal is checked and processed by Arduino UNO. Then the Arduino sends the value to be displayed on LCD Display and also to L293D Motor Driver IC to drive DC Fan.

Source Code/Circuit Diagram Link: https://www.how2electronics.com/dc-motor-speed-control-with-nrf24l01-rotary-encoder-arduino/
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Видео DC Motor Speed Control with NRF24L01, Rotary Encoder & Arduino канала How To Electronics