Tag: library

LCD Display 128×64, ST7920, Connection Test

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

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

We have ST7796 driven LCD modules. Display has diameter 4″ and resolution 480×320. This module has also resistive touch screen,

MAX7219 is chip to drive 7seg LED displays. Not just one, but 8 of them. 7 seg – but 8

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

In Arduino IDE there is Wire library available, supporting I2C protocol (you can read about it on Arduino pages, in