Hello! in this post I will show a remote control receiver, I tested this circuit with an approximate distance of 4 meters and it worked perfectly, the spread of this circuit is that it can be triggered by remote control of multiple devices, I tested with two remote controls one tV receiver and a satellite dish, every time you press a key on the remote, the LED will light up and trigger the relay, the relay output you can connect any device you want to control the 1N4148 diode D4 is also You can add more channels to the circuit, just by connecting the reset of the integrated circuit in 4017 and adding another exit other relés.Assim each pulse sent to the receiver, trigger a relay!
The relay coil has voltage according to the circuit power!
Remote Control Receiver Circuit Diagram
The relay coil has voltage according to the circuit power!
Remote Control Receiver Circuit Diagram
The receiver used is three terminals, commonly used in television sets!
See the figure below:
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