This High-Gain Current Sensor circuit can be deployed to detect the availability of low-level current flowing though a PCB’s copper lines or traces. Two straight-pin probes are utilized to form […]
Transmitter Circuit with Etched Coil on PCB
This specific transmitter circuit which has etched coil on PCB communicates sound employing tiny sensitive microphone. Transmitter’s frequency, as constructed is tunable through 15pF trimmer to the preferred frequency, and […]