Thomas Kim

How to measure motor speed using clamp meter

Guide | 3 months ago

The speed of rotation can be measured using a neodymium magnet & clamp meter. This experiment using an HDD spindle motor & 3phase AC power. HDD spindle motor is 8 pole synchronous motor.

How to make a fire with round glass cover

Guide | 3 months ago

Sulfur hexafluoride (SF6 gas) experiment

Video | 1 years ago

I did some experiments with sulfur hexafluoride gas.

Spoon Electroscope

Video | 1 years ago

A Portable electroscope made of teaspoon and chocolate bar. #electroscope #experiment #staticelectricity

Potential Transformer Experiment (high voltage experiment)

Video | 1 years ago

Warning : Don't try this at home I conducted some experiments using 13kV Potential Transformer. Since a potential transformer is also a transformer, when voltage is applied to the low voltage side, a high voltage is generated on the high voltage side.

Jacob’s Ladder experiment #climbingarc #experiment #electrical #highvoltage

Short | 1 years ago

I did a Jacob's ladder experiment using a 13kV potential transformer. The reason the electrode rod shakes is because an attractive force acts between the electrodes when current flows. If the current flows are the same, a repulsive force is applied, and if ...

Short Circuit Shorts #electrical #experiment #fire

Short | 1 years ago

Massive electric current through a coat hanger wire.

How to make a fire with an empty lighter

Guide | 1 years ago

This method is making a fire using an empty lighter and reed feather. Reed feathers are flammable and must be handled with care.

BLDC Vacuum Cleaner motor generator experiment

Review | 1 years ago

I picked up a broken LG Wireless vacuum cleaner. I tested whether the BLDC FAN motor inside could be a generator. It was confirmed that this FAN Motor can generate DC power of about 32 to 35 W.

Secret Drawer Lock

Video | 2 years ago

I made a secret drawer lock that can be unlocked with a magnet. This is a unique mechanism, it is difficult to open it. Materials : 1. Solenoid Lock (12V) - from aliexpress 2. 9V Battery 3. Battery snap 4. Reed Switch

Short Circuit #shorts

Short | 2 years ago

Short circuit experiment Power supply : DC 5V 300A SMPS

Thermocouple Experiment

Review | 2 years ago

I tested the gas stove thermocouple using dry ice and a gas lighter.