More ideas from boopathi
This is a simple battery charge level indicator circuit and is very useful to calibrate inverter status, to measure car battery level, etc.

Battery Level Indicator Circuit Diagram and Circuit Components: IC LED’s SPST switch Resistors Potentiometer – battery Connecting wires

11 Real Technologies That Could Make You Superhuman - futuristic-look:

What will the future bring us? Here are 11 real technologies that could well keep you well and healthy for a long time

This wood burning stove is small, simple and is stacking functions because it is also serving as a water heater.It serves the Teach Nollaig tiny home and we think it is beautiful and amazingly functional. What do you think? via Facebook

This wood burning stove is small, simple and is stacking functions because it is also serving as a water heater.It serves the Teach Nollaig tiny home and we think it is beautiful and amazingly functional. What do you think?

Schematic Diagrams: Joule Thief

Today I am showing you how to make a very simple joule thief. A joule thief has many applications, the best gadget that I made with was a "Water Powered.

Slightly more complicated process of functions of the Tesla Coil.

Rediscovered by Mark Rodin and AKA: a Torus Coil, Rodin coil, Vortex Coil. 'Mathematics of God' and 'Sacred Geometry'.

How to Make Your Own Cell Phone Jammer: 7 Steps (with Pictures)

How to Make Your Own Cell Phone Jammer. Cell phone jammers are installed in no disturbance zones such as schools or colleges. But how exactly does this instrument jam cell phones?