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433MHz Smart Home Controller With Sensorflare and a RaspberryPi : 7 Steps - Instructables
IoT-433mhz - Arduino Project Hub
Wireless Module RF Transmitter For Arduino Raspberry Pi Diy Kit DC 433Mhz 5V | eBay
Connect an RF 433 MHz Transmitter and Receiver to a Raspberry Pi - John's Tech Blog
Control Raspberry Pi Wireless Sockets (433MHz) - Tutorial