Circuit Creation

Touch Alarm Using BC547 Transistor

Components Required

• 9V Battery
• BC547 Transistor
• 100k Resistor
• Buzzer
• Breadboard
• Jumper Wires

Description

This Touch Alarm Project uses a BC547 transistor to detect touch signals and activate a buzzer instantly. It is a simple beginner electronics project that demonstrates how touch sensing works using basic components.

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Circuit Diagram

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