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.
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Circuits, components and builds.
What voltage, current and resistance mean, how Ohm's law connects them, and how to pick the right resistor for an LED.
A beginner's guide to breadboards — how the holes are connected inside and how to build your first circuit without soldering.
What a Tesla coil is and how to build one.
An Arduino IoT project that checks how full a garbage bin is and reports it online.
Build a simple touch sensor with a BC547 NPN transistor.