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 ...
Hackaday

Arduino Traffic Light Sings The Song Of Its People

Getting an old traffic light and wiring it up to do its thing inside your house isn’t exactly a new trick; it’s so common that it wouldn’t normally pass muster for these hallowed pages. Even using one ...

[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, ...
EDN

Light Communication and Gimbal Table Control Using Arduino Portenta H7

Editor’s note: Last fall, EEWeb announced its inaugural design contest, sponsored by Arduino and Altium, to develop an imaginative and innovative design project of a motor control system with the ...