Nova PM sensor SDS011 can measure fine dust and smoke = particulate matter (MP) concentrations in two categories: Ultrafine dust … More
ATtiny13 + 8* 74hc595 Shift Registers. It have to modes: random matrix and binart counter. Code: https://github.com/taunoe/attiny13-shift-matrix
If you stand in front of it, it measures distance between you and displays it.
This is my standalone serial plotter. I like to use Arduino, Esp866 etc. and then i started to learn python … More
My first try to make useful GUI application a Arduino Serial Plotter Simple serial plotter for Arduino and other devices … More
TEMT6000 is ambient light sensor. It is sensitive to visible light much like human eye and has peak sensitivity at … More
I had a bunch of smd LEDs and no idea what to do with them. But then, when I had … More