Here is a motor speed sensor module, the major goal is to check the rate of an electric motor. The module can be used in association with a microcontroller for motor speed detection, pulse count, ...

Figure 1a shows a slotted optical switch. An LED is mounted in a plastic housing, facing a phototransistor, but separated by a gap. If something moves into the gap, it blocks the light path between ...

What are the key factors in optimizing mean time between failure (MTBF)? Developing the best strategy for MTBF. What to look for in MTBF test studies. For designers of engineered electronics powering ...