Home automation using RPi + Alexa + IoT + Cheap Remote Outlets

Wiring Diagram for Raspberry Pi and 433 MHz RF Transmitter and Receiver.

 

Transmitter Pins:

1: DATA (blue) to GP17

2: +5V (red) to +5V

3: GND (white) to GND

4: ANTENNA to optional copper wire

 

Receiver Pins:

1: +5V (red) to +5V

2: DATA (yellow) to GP27

3: DATA unused

4: GND (white) to GND