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Controlling 4 devices using an RF remote is very easy with this project. This is an Arduino compatible project. NRF24L01 module, Atmega328 microcontroller, 3.3V regulator, and few other components are part of the project. Onboard power LED and an additional functional LED is provided. The project provides 4x TTL outputs that can be interfaced with a relay board, solid-state relay boards, motor drivers, and other projects. The circuit works with 5V DC and requires a few milliamps current. D2 Power LED, D1 optional function LED.
4-Channel Remote Receiver Using NRF24L01 Radio Module – Arduino Compatible – [Link]
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