Video Tutorial: Using Universal Radio Hacker an RTL-SDR and a Microcontroller to Clone 433 MHz Remotes

Over on YouTube user hubmartin has uploaded a video showing how to use an RTL-SDR and the Universal Radio Hacker (URH) software to reverse engineer and clone a 433 MHz remote control. URH is used to extract the signal timing and modulation characteristics as well as the binary/hex code.

Then in order to clone the signal hubmartin uses a cheap IoT microcontroller with button and 433 MHz transmitter attachments. Some C code is then used to program the microcontroller and 433 MHz transmitter to repeat the exact same signal on a press of a button. In his example hubmartin uses his cloned dongle to control a wireless power plug and a motorized projector screen.

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