| This design is useful for speedy mobile robots and provides fast, contactless detection of obstacles ahead. Not only can it detect the obsta...
All items tagged with Free Article and Elektor.POST (17)
| A hollowed-out pumpkin with a candle in front of the house, children who will come to ‘trick-or-treat’ and beg for candy… Halloween is a fes...
| This Arduino-driven fixture enables the essential characteristics of many types of temperature sensor including silicon, PTC, and NTC to be...
| Even in the Internet & Wi-Fi age where it seems irrelevant just where you are at a specific time, it’s sometime useful to know if a visitor...
| What can you do when your bike computer goes on strike? That’s exactly the problem the author of this design had while on a cycling tour; s...
| Here is an all-analog, all-through-hole, cheap & cheerful preamplifier for that perennial problem of getting the microphone amplification ju...
| This simple electronic dice is an ideal starter project to introduce youngsters and those still young at heart to the dark arts of microcon...
| Lego has never been more popular, it was even elected 2015’s World’s Most Powerful Brand. Though not a brand, LEDs (light emitting diodes) e...
| Some time ago the author was asked about options for making a Drum Light for the Carnival festivities. The contraption should light up brigh...
| My gas boiler is an instant heat type which warms the water directly as it flows through. In order to properly adjust the system I needed...