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Step 1: Circuit and Program
Hi all in this project you will need
1 - 433 MHz transmitter and receiver
2 - Arduino nano
3 - Arduino uno
4 - push button
5 - 10 k resistor 1/4 watt
6 - some wire
7 - 5 volt to power Arduino nano
8 - the library , transmit and receive program all include in all files
With my best regards