Year: 2024

What range in Meshtastic Heltec WiFi LoRa 32 can achieve

When you first encounter some radio technology you wonder – and what range it has? Meshtastic has tools for conducting

I’ve heard this name from some time, I was asked to write few words about it. So, first, Meshtastic –

In previous parts we built device sending messages to LoRaWAN , now we will build TTN range tester with Heltec Wireless Stick and GPS receiver.

In the previous part we have created simple app sending some data to LoRaWAN. We have used OTAA (Over The

Heltec Wireless Stick is ESP32 module with LoRaWAN capabilities. Heltec provides own LoRaWAN stack, but since ESP32 and SX1262 (LoRa

I often do some quick test of different modules. Most of them are on I2C and usage on Wemos two

The 128×64 resolution blue-white graphic LCD module is slightly better for many projects compared to character LCD displays. Here, I

I’m testing a new sensor from Winsen. It is ZE25a-O3 and as name promises it is ozone (O3) sensor. Last

With DIY, you use the tools you have at hand to solve the problems you encounter. Often, things are created

When I wrote about ESP01 and relay module this was obvious, that some similar modules should be available. And yes,