DIY Short Circuit Protection Circuit with Relay (12V)
Автор: Variety Creative Channel
Загружено: 2026-02-02
Просмотров: 134
Описание:
In this video, I demonstrate a simple and effective short circuit protection circuit using a 12V relay, a 220-ohm resistor, a push button, and a 12V 21W lamp.
When the button is pressed, the relay activates and the lamp turns ON.
If a short circuit occurs (positive and negative touch), the lamp turns OFF automatically and an LED indicator lights up, showing that protection is active.
This circuit is useful for basic electrical safety, learning purposes, and DIY electronics projects.
⚡ Components used:
12V Relay
220Ω Resistor (for 3V)
12V 21W Lamp
Push Button
LED
🔧 Easy to build – perfect for beginners in electronics.
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