| Building an electronic compass doesn't have to be difficult. This design features a GY-271 compass module, a NeoPixel LED ring as a compass...
More in Hobby & Modelling (138)
| Need a spirit level (i.e., bubble level tool)? This inexpensive aid for a spirit level gives an acoustic and optical indication when the air...
| Two similar DIY magnetic levitation projects are presented on the Elektor Labs pages. In both cases, a Lego figure that floats in the air. T...
| Interested in autonomous vehicles and LiDAR? Here is a cool video showing how to build an autonomous vehicle that finds its way around a roo...
| A cue light is a system of one or more electric light bulbs (usually traffic light colors) used to allow silent cues to be given to technici...
| Phased arrays of ultrasonic transducers allow levitating small objects like tiny foam balls and move them around. When the ball is moved fas...
| This model airplane banner shows the time and some local online weather information. It is based on an ESP32 programmed in BASIC, which is,...
| Even though in the 1980s gaming was not the big market that it has become today, there were a few electronic games around. Microprocessors t...
| In the lockdown days before Christmas, this Christmas Flasher will light up the darkness!
| Playing quiz-type games is a great occupation for long winter evenings, rainy Sunday afternoons and during lockdown. However, the fun ambien...