In this article I will add some simple Arduino LED projects starting with basic ones like how to turn on an LED, blinking, and more. Every step will have the code, the schematic, photos of the project ...

For under $20 you can get a LED tester (look for TV back light tester) that’ll test anything from IR LEDs @ 1.2v up to 300v. Not sure why so high when TV back lights are usually around 100v.

How a Simple LED Resistor Calculator is Helping DIYers and Engineers Save Time March 22, 2025 by David Edwards Time will always . Tuesday, 02 January 2024 12:17 GMT.

A simple basic interpreter that could run on one of the many modern cheap controllers would be a better use of their time and backers money. The pin footprint would be easy to match with most of them.

This idea describes a white- LED (WLED) driver circuit controlled by a simple ambient light sensor (ALS). A typical application would be a brightness control for cell-phone backlighting. On a very ...