[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, ...

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 ...

Here's what happens if you put a 100W LED bulb into a 60W socket

You may have noticed that the wattage label on your LED bulb has a higher number than your socket rating, but make sure to ...
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 ...
Forbes

DOE Gives $11.5 Million To Spread LED Lights In More Public Places

The U.S. Department of Energy recently awarded $11.5 million to install light emitting diode lighting in parks, police stations, an airport runway, baseball fields and city buildings to promote energy ...
The Conversation

How a new light‑based cancer treatment could destroy tumours without harming healthy cells – using LEDs

Cancer treatment has come a long way, but many of today’s therapies still come with steep costs: not just financial, but physical and emotional too. Chemotherapy and radiotherapy remain vital tools, ...