So, you can easily make this home automation project at home just by using an ESP32 and relay module. Or you can also use a custom-designed PCB for this project. This is the complete circuit diagram ...

The transmitter requires a Pyboard 1.x (not Lite), a Pyboard D or an ESP32. Output is via an IR LED which needs a simple circuit to provide sufficient current. Typically these need 50-100mA of drive ...

Use your mobile phone with its Bluetooth connectivity to control an ESP32 board that can both send IR commands and learn new ones. Try this DIY project.

With the motto "Simple and Dirty", a plug-in IR transmitter module with driver function is quickly made. It consists of only 3 components, a 3 pin header socket, a BC547 NPN transistor and an IR ...

The ESP32 hosts an HTTP server, allowing the administration of the FM transmitter via a web browser. Parameters like the frequency, audio transmission mode, and Radio Data Service (RDS ...