Homemade Electric Balloon Inflator (Balloon Blower from vacuum cleaner)

DIY Ceiling LED Lamp Replacement Tool (Unique tool)

Homemade Smoke Detector Fire Alarm

DIY Tool for ELCB Trip Test (Circuit Breaker Finder)

Simple RCD(ELCB) Trip Tester

Homemade Soda Bottle Fire Alarm (Heat Sensor)

How to make a Fire Alarm System using an Aluminum Can and Computer Mouse

DIY Water Electrolysis Kit (Hydrogen Generator)

How to fix clogged toilet (Soda Bottle Air Tank)

Homemade Vacuum Pump

[renewal] How to make an Auto Click Mouse Circuit

Rain Sensor Automatic Window

[Private video]

How to check Solenoid valve works (Solenoid Checker)

Homemade Megger Tester (Homemade Hand Crank Insulation Tester)

Earthquake Alarm Circuit

DIY non-contact voltage detector

DIY paper cup dispenser

Tripwire Alarm system using Potential Energy Conversion method

Homemade Fire Alarm Circuit

Homemade current sensing relay

Secret Drawer Lock