433 MHz RF Receiver

Introduction

A simple 433 MHz receiver unit. Needs also the transmitter.

See also

• APC220
• HC-12 Arduino radio
• nRF24L01+ Wireless Module

Arduino Octagon.

The transmitter sends an amplitude-modulated wave. ASK – Amplitude Shift Keying. No error correction.

Use Radiohead library: https://www.airspayce.com/mikem/arduino/RadioHead/

See more at https://lastminuteengineers.com/433mhz-rf-wireless-arduino-tutorial/

Arduino code

Image