Sometimes, it’s time to shut down the oscilloscope, and break out the cardboard and paints. If you’re wondering what for, well, here’s a reminder of an Instructable from [CrazyScience], that brings us ...

Of course, many different types of distance measuring sensors exist but not all sensors are the same. Each sensor has its own advantages and disadvantages. At its most basic level, a distance ...

A popular series of inexpensivedistance sensors integrates aninfrared emitting diode, a linearcharge-coupled-device array, and asignal-processing circuit in one unit.The output is a dc voltage, V S, ...