Alexander Wiedekind-Klein (5)

| PWM waveforms are commonly used to control the speed of DC motors. The mark/space ratio of the digital waveform can be defined either by usi...

| Even robot systems occasionally need a negative supply voltage for some purpose or other, and in this kind of application in particular ther...

| Electric motors used in robot applications often make sudden and heavy demands on their power supply. Although the batteries normally used h...

| To be precise, this ultrasonic distance measuring device is more than just an ear, since it generates pulses of sound at 40 kHz as well as l...

| Sometimes sophisticated sensors based on video cameras, infrared or ultrasound are not quite up to the job, and we have to resort to somewha...