Uploaded October 2022 | Updated September 2026, 3 weeks ago

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Hi! this is a small sensor capable of detecting vibrations and going in alarm turning on the LED. The two main components of this project are a NE555 and a Vibration Switch. The operation is very simple, when the vibration switch detects a vibration, the NE555 PIN 2 is sent to ground making the LED ON. The reset button returns the circuit to the initial state.

A vibration switch is a simple protection device that senses vibration and triggers an alarm. Inside there is a spring that in the presence of vibrations oscillates and hits the metal wall, closing the circuit and allowing the passage of voltage.

Components:
1x NE555 IC
1x LED 5mm
1x 300 Ohm Resistor
1x Button
1x Vibration Switch

Power with 5-9 volt DC
Circuit Diagram at: 1:36

0:00 - Intro
0:13 - Explanation
0:36 - Test
1:36 - Circuit Diagram
1:43 - End

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WARNING: This video is only for demonstration. I don't take any responsibility.

Music: Fast and Run - Nico Staf

#ne555 #electronics #diyprojects