All items tagged with Free Article and Elektor.POST (17)

| This design is useful for speedy mobile robots and provides fast, contactless detection of obstacles ahead. Not only can it detect the obsta...

| 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...