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12V 3A Power Supply

How to Build a 12V 3A Power Supply Using 2N3055 Transistor

Battery Level Indicator Circuit with C945 / C828 Transistor – No IC Needed

Battery Level Indicator Circuit with C945 / C828 Transistor – No IC Needed

Electronic Circuit Breaker

How To Make an Electronic Circuit Breaker | Over current Protection

5555

How to Make LED Dimmer using 555 Timer IC & IRFP3205 MOSFET

220V AC to 12V DC Capacitor Power Supply Circuit

Convert 220V AC to 12V DC Without Transformer | Simple Capacitor Power Supply

What is a Rectifier

What is a Rectifier? | Types, Working, and Applications

HOW TO MAKE OVER CURRENT PROTECTOR

How to Make Overcurrent Protection Circuit (12V 3A) using 555 Timer IC

Variable Power Supply Using IRF3205 MOSFET

How to Make Variable Power Supply Using IRF3205 MOSFET

Transformerless 4V Battery Charger

Transformerless 4V Battery Charger | 230V AC to 4V DC

Simple Build an Over Under Voltage Protection Circuit Using 555

Simple Over/Under Voltage Protection Circuit Using LM393