| This simple oscillator uses only four passive components to make a LED blink in the dark. The circuit runs for about two years on two AA bat...
More in LEDs (50)
| In this webinar, George Rasko from Microchip guides you through the Microchip University course “Introduction to Solid-State Lighting”. He c...
| Designed around the Raspberry Pi RP2040 microcontroller and WS2811 RGB LEDs and built with passion, this cool glowing Magic RGB LED Cube is...
| The WS2812B addressable RGB LED (a.k.a. NeoPixel) is controlled over a special serial protocol, a rectangle wave signal with a variable duty...
| With a few components, you can convert a standard 1-MHz SPI data stream into a bit stream suitable for WS2812(B)-type addressable RGB LEDs (...
| Sure, you can easily buy an LED flashlight at the hardware store. But where's the fun in that? This DIY LED flashlight offers up to 78.8% ef...
| Five LEDs are connected to a 9V battery by means of two series resistors are all you need to build this nice-looking Christmas star. The cir...
| Looking for a solar-powered night light project? This design has two power sources: a solar cell with a peak output voltage of about 6 V and...
| LEDs are a staple component in most circuits. Using Ohm’s law, we can easily calculate the conditions for the theoretical lighting intensity...
| Over the years all sorts of numerical displays have been conceived, from mechanical split-flap displays through nixie tubes to 7-segment and...