Basic electricity tutorial for modders. Got questions like how to get a LED on? How to decrease the RPM of a fan?

The aim of this article is to search for answers and solutions to the questions mentioned above. To try to keep the terms simple and easily to understand and of course and for sure, to rise new questions. After you have read this, you should have the basic skills to calculate required resistances, power usage, etc. Let’s see how we manage there.

Index:

Voltage
Current
Ohm’s law
Kirchhoff’s first law
Kirchhoff’s second law
Power
The resistor
Serially connected
Parallely connected
Color codes
The E-series
The LED
The transistor
Examples
Connecting two superbright blue LEDs in parallel