Tag: electronics
9 articles tagged with "electronics"
555 Timer Circuits — Blink an LED, Build an Oscillator
Build practical 555 timer circuits in astable and monostable modes. Includes formulas, component selection, and a free online calculator.
Capacitor Codes Demystified — 3-Digit Ceramic Capacitor Guide
Decode ceramic capacitor markings instantly. Learn the 3-digit code system, common values, and how capacitance relates to frequency filtering.
How to Choose the Right Resistor for an LED
Calculate the correct current-limiting resistor for any LED. Covers forward voltage, standard resistor values, and common mistakes.
Ohm's Law and the Power Triangle — Every Formula You Need
Master Ohm's Law and the power formula with practical examples. Calculate voltage, current, resistance, and wattage for any circuit.
PCB Design Basics — Trace Width, Current & Heat
Learn PCB trace width sizing with the IPC-2221 standard. Covers current capacity, temperature rise, copper weight, and a free trace width calculator.
Resistor Color Codes Explained — Read Any Resistor in Seconds
Learn how to read 4-band and 5-band resistor color codes. Free chart and interactive decoder tool — no guessing required.
SMD Resistor Codes Explained — 3-Digit, 4-Digit, EIA-96
Decode SMD resistor markings instantly. Covers 3-digit, 4-digit, R-notation, and EIA-96 code systems with examples and a free decoder tool.
Voltage Dividers: The Most Useful Circuit You'll Ever Build
Understand voltage dividers with practical examples. Learn the formula, when to use them, and common pitfalls with loaded outputs.
Ohm's Law Calculator and Resistor Color Code Decoder
Calculate voltage, current and resistance with Ohm's Law. Plus decode 4-band and 5-band resistor color codes.