The time that the LED and the buzzer is on is based on the values of the capacitor ... Touch switch activated relay – source A very simple touch switch circuit diagram can be constructed using this ...

A buzzer. This transforms electrical ... electrical engineers know what to build. Try building simple circuits with your friends and draw diagrams to match what you build. It looks like our ...

The circuit has little component count and can be easily fixed in the bike. Working of the circuit is simple. The alarm generator buzzer or Horn is activated by an SCR and its triggering is under the ...