Here, I am going to show you how to make a ‘Clap Counter’ from a Calculator.
In Clap Counter, every time a clap is made, a count is recorded.
*You can re-use the calculator for normal functioning.*
This project is based on Transient Clap Switch Circuit which is rendered to count the claps.
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Step 1: Circuit Diagram
This circuit is basically Transient Clap Switch Circuit.
Step 2: Materials Required
To make this project, we require :
• 555 Timer IC
• BC 547 (2)
• Relay (6V)
• Condenser Microphone
• Resistors - 1K Ω, 47K Ω, 100K Ω
• Capacitor - 1 μF
• Diode - 1N4007
• Battery and Battery Clips
• PCB • Cardboard
Major Tools required:
• Hot Glue Gun
• Soldering Iron and Solder Wire