Clap Sound Whistle Switch Circuit with Adapter and 9V battery
Sepcifications
components
IC4017-1358-1
TransistorBC548 or 547-2BC557 or 558-
1Capacitor2.2uf 25v-
1Resistor3.3K-11K-110K-130K-1470Ω-1Preset-5K
OtherCondenser MIC-1LED-1Relay 6v -1Diode-1N4007-1