Wemos proto board as I2C expansion
I often do some quick test of different modules. Most of them are on I2C and usage on Wemos two
Continue readingLearning Arduino
I often do some quick test of different modules. Most of them are on I2C and usage on Wemos two
Continue readingThe 128×64 resolution blue-white graphic LCD module is slightly better for many projects compared to character LCD displays. Here, I
Continue readingI’m testing a new sensor from Winsen. It is ZE25a-O3 and as name promises it is ozone (O3) sensor. Last
Continue readingWith DIY, you use the tools you have at hand to solve the problems you encounter. Often, things are created
Continue readingWhen I wrote about ESP01 and relay module this was obvious, that some similar modules should be available. And yes,
Continue readingWe have ST7796 driven LCD modules. Display has diameter 4″ and resolution 480×320. This module has also resistive touch screen,
Continue readingFirst, we are bringing back posts with some interesting projects found on internet. Won’t be much and (of course) we
Continue readingArduCam cameras are esy to integrate with ESP8266 or Arduino. But if You need to connect them to ESP32 almost all examples are for ESP32-CAM with hardwired connection. Learn how to connect standalone OV2640 to generic ESP32 board.
Continue readingWhen module, sensor has golpins in standard 0.1″ raster as connector the best quick, yet sturdy connection can be made
Continue readingMAX7219 is chip to drive 7seg LED displays. Not just one, but 8 of them. 7 seg – but 8
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