Pin Configuration
Transmitter
1 Data Data
2 VCC +5V
3 GND Ground
Receiver
1 VCC +5V
2 Data Data
3 Data Data
4 GND Ground
Check out our Blog on 433Mhz Transmitter and Receiver Interfacing with Arduino UNO
https://piees.blogspot.com/2020/07/433mhz-transmitter-and-receiver.html
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