When the voltage in the circuit exceeds the value set in the trimpot, the LED goes off and, if a low current buzzer is used, it rings. The circuit is from American documentation from 1999.
This simple circuit for the mid-wave range was found in documentation from the 90s. The circuit uses...
This microphone amplifier operates on battery voltage. The output is in an earphone. The...
March 21, 2016 - Mouser Electronics, Inc. is now stocking the WGM110 Wizard Gecko Wi-Fi module...