A parallel circuit is way of connecting components on separate branches, so the current can take different routes around the circuit. The current is different in different parts of a parallel circuit.

There have been many different ideas presented for increasing the acoustic output of a piezo buzzer or ultrasonic transducer. Most of them involve rather complicated circuitry that drives up the total ...

If you have to sample just a few low-rate analog signals, or your PC's slots are all full or too outdated for the newer data-acquisition products, a simple interface may be all you need. You can build ...