Ohm's Law Explained Simply (V = I × R)
What voltage, current and resistance mean, how Ohm's law connects them, and how to pick the right resistor for an LED.
Electronics
Circuits, components and builds.
What Is a Breadboard and How to Use One
A beginner's guide to breadboards — how the holes are connected inside and how to build your first circuit without soldering.
How to Build a Tesla Coil
What a Tesla coil is and how to build one.
Smart Garbage Monitoring System Using IoT (Arduino Project)
An Arduino IoT project that checks how full a garbage bin is and reports it online.
Touch Sensor Using BC547
Build a simple touch sensor with a BC547 NPN transistor.