Digital Electronics — Index
Digital Electronics — Index
Welcome! This page collects my beginner-friendly digital logic posts: simple gate builds with 74LS chips, step-by-step demos, and bite-sized theory. Grab a brew and dive in. Matty
Logic Gates (74LS Series)
- NOT Gate — 74LS04 Invert a signal, wiring + LED demo.
- AND Gate — 74LS08 “Both inputs must be 1.” Simple build and truth table.
- OR Gate — 74LS32 “Either input lights the LED.” Clean wiring on a breadboard.
- NAND Gate — 74LS00 · The universal gate; build and quick uses.
- NOR Gate — 74LS02 · OR + NOT in one; common LED latch trick.
- XOR Gate — 74LS86 · “One or the other, but not both.” Perfect for adders.
Logic Gates Theory
- Math Behind Logic gates How to determine voltage levels to activate the logic gates
- Boolean Logic Boolean Logic, digital electronics undertake maths
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