433 MHz Archive • Wolles Elektronikkiste

HC-14 – the simple LoRa module

With the HC-14 module, you can use LoRa wireless technology very conveniently via simple serial functions such as println(). I’ll show you how it works.

Using LoRa with the EByte E220, E22 and E32 series

With the Ebyte LoRa modules from the E220, E20 and E32 series, you can send data over long distances with low energy consumption. An overview and introduction.

Wireless BBQ thermometer (433 MHz)

I will show you how to build a wireless 433 MHz BBQ thermometer with alert function and graphical display of the temperature curve.

HC-12 Radio Module

The HC-12 radio module is easy to handle and has a long range. I’ll show you how it works, how you make settings, and how you use it legally compliant (in Germany).

Radio rain warning system in a lunch box

A rain warning system that switches an alarm siren connected to a radio socket is presented in this post. Also: how to build the actual sensor yourself.