Category: for beginners

DHT22 on the cheap

To be honest, I’m not a fan of the DHT family of sensors. That’s probably why I don’t think there

Many times it happens to me that when using a tool I wonder if the creator/designer used it himself. Because

If you write software using LoRaWAN network at some point you may want to get more details about packets exchanged

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 –

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

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

When module, sensor has golpins in standard 0.1″ raster as connector the best quick, yet sturdy connection can be made

NanoVNA-H – usefull and reasonable priced vector network analyzer. NanoVNA can be used with desktop application (nano-saver) or phone with

DIY project usually is prototyped using breadboard. Big mess of wires, and some chips between :) It is very convenient