| 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...
More about LED (745)
| Want a fun Christmas project? Elektor has you covered. This DIY Christmas fireplace comprises PCBs, an LED matrix, and a Raspberry Pi Pico.
| 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...
| What does an electronics engineer do when (s)he is given a snake? Flush it down the toilet? No, build a sun imitating light for it! (Duh.) I...
| 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...
| As winter draws on and the nights get longer, we rely more and more on light sources powered by electricity. On this topic, Elektor has come...
| Light up your terrarium with the actual lighting conditions depending on the geographic origin of your reptile.
| The 4000-series of CMOS logic devices has over 150 members. Let's take a look at the curious case of the CD4060.
| The "Circuit Shorts" series continues! This time, Saar covers dual-BJT constant current.
| LEDs are a staple component in most circuits. Using Ohm’s law, we can easily calculate the conditions for the theoretical lighting intensity...