All items tagged with LED and Circuit (32)

24-03-2021 | The "Circuit Shorts" series continues! This time, Saar covers dual-BJT constant current.

11-03-2021 | LEDs are a staple component in most circuits. Using Ohm’s law, we can easily calculate the conditions for the theoretical lighting intensity...

29-12-2020 | It's time for the very last circuit of the year. Let's take a look at a mini Christmas tree circuit!

26-09-2017 | One month ago we asked Elektor Labs users to design an original fading LED circuit and publish its schematic together with a video as a proj...

5-09-2017 | LEDs that slowly fade in and out to indicate stand-by mode or the availability of a new message have been made popular by smartphones and ot...

22-08-2017 | LEDs that slowly fade in and out to indicate stand-by mode or the availability of a new message have been made popular by smartphones and ot...

1-12-2010 | Power LEDs are getting more and more powerful. Although some can be pricey, we wanted to see for ourselves what one of these modern ‘heavywe...

1-07-2010 | This circuit is a simple but high-quality preamplifier using a DS1882 digital potentiometer, a device specially designed for audio applicati...

1-07-2010 | The author ‘just wanted to do a bit of microcontroller programming’. However, the project rapidly grew into this impressive and visually att...

1-07-2010 | Chip manufacturers are always coming up with ever more sophisticated constant current driver chips for LEDs. We have included this design fo...