[Doug] pulls a signal from the 9V AC power before it hits the bridge rectifier, using a 100K resistor and a zener diode to protect the microcontroller pin. The code for that project comes as a hex ...

A frequency-dependent switch designed for PSpice simulation empowers experts to address challenges in advanced systems, ...

A multimeter can test for continuity, which shows if an electrical signal is successfully ... a horizontal line. Diodes are ...