Printable electronics cheat sheets
One-page sheets to hand out in class or pin above the bench. Each is a free PDF in A4 and US Letter, free to print and share for teaching.
Printable resistor colour code chartEvery band colour, how to read 4- and 5-band resistors, and the E12 values with their bands.
Printable Ohm's law and power cheat sheetThe V = I × R triangle, the power wheel, three worked examples, and units and prefixes.
Printable electronics formula sheetOhm's law to resonance: the formulas students use most, grouped on one page.
Printable circuit symbols chart32 schematic symbols, from cells and switches to transistors and op-amps, each named.
Printable capacitor code chart3-digit codes, pF to nF to µF, tolerance letters and voltage codes on one page.
Printable logic gates cheat sheetAll seven gates with symbol, truth table, Boolean expression and chip number.