The two ways to connect components — and why it completely changes how they behave Introduction You have a 9V battery and three light bulbs. How do you connect them — series or parallel? The answer changes everything: the voltage…
V = IR. Two letters and an equals sign. The most powerful formula in all of electronics. Introduction In Post 1 we understood what voltage, current, and resistance are. Now we put them together. Ohm’s Law is the relationship connecting…
The three fundamentals every electronics engineer must understand before touching a circuit Introduction You’ve used electricity your whole life — charging your phone, switching on lights, listening to music. But what actually IS electricity? What is flowing through those wires,…