Presented below is a simple and cheap 433-Mz RF Sniffer ideal for testing/reverse-engineering most 433-MHz wireless devices. As you can see, the setup is on the Arduino ground with a 433-MHz receiver ...

using a few off-the-shelf parts [hesam.moshiri] shows us how to take advantage of this piece of spectrum by designing and building a programmable and versatile 4-channel 433 MHz remote control.

The use of the ready-made RF module simplifies the construction of a wireless remote control system and also makes it more reliable. This simple RF transmitter ... of the transmitter module. This ...

We frequently get home automation tips, many of which have simple circuit-based ... pieced together the remote control feature with an RF link kit with an inexpensive 433mhz Code duplicator ...