Trying to build a small experimental device with Arduino | Part 6: Turning on an LED when it gets dark

Last time, we used a light sensor to measure the ambient brightness with an Arduino. When the light hitting the light sensor ...
XDA Developers

I switched from Arduino IDE to ESPHome for my custom ESP32 smart home devices, and my projects got a lot easier

Ever since the prices of Raspberry Pi single-board computers hit deranged levels, I’ve found myself gravitating towards the ...

[Arduino Super Introduction #13] Lighting an External LED | Let's Build Our First Circuit on a Breadboard

Last time, we learned about the anode and cathode of an LED, how to distinguish their orientation, and the role of a resistor in limiting current.This time, we will combine an Arduino, a breadboard, ...
Hackaday

A Super-Accurate Clock Using A Tiny Microcontroller

DCF77 is a German VLF transmitting station that broadcasts a time signal across Europe on 77.5 kHz. Thus a common sight in a ...