How to make Lie Detector

Опубликовано: 25 Март 2026
на канале: Tech Maker
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JLCPCB Prototype for $2(Any Color): https://jlcpcb.com
In this video, you will see how to make a simple lie detector. This lie detector works by determining the skin resistance. This a simple lie detector, which you can make at home and play.

Download lie detector circuit and gerber files
https://electronicsprojectshub.com/li...

Components Required :
Resistors
1 - 470 Ohm
1 - 47k Ohm
1 - 10k Ohm
2 - 1M Ohm
1 - 50k Ohm Potentiometer
Capacitors
1 - 100nf
Transistors
2 - BC547 transistors
1- Red LED
1- Green LED

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Links~~
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