Basic principles, ideas, concepts, laws, and formulas behind electronics.
Determine Voltage Drop Across Resistors
How to calculate voltage drop across series resistors.
Pull Up and Pull Down Resistor Tutorial
The Basic use of a pull-up or pull-down resistor is to prevent a 'floating' input to a digital circ
Ohm's Law for Beginners (or The Amp-Hour Fallacy)
Just about once a day, somebody writes in with, “My boom box has a dead battery that says 12 volt
The Basics of Bypass Capacitors
This article will explain the function of a bypass capacitor, when its appropriate to use them, and
Thermal Budget: Transistors & Heatsinks
How to select power devices and specify heatsinking
Practical Elecromagnet Design
Design and build practical electromagnets using simplified theory and formulae
Two Simple Formulae: capacitance and inductance
Two relationships can simplify capacitor and inductor voltage and current calculations