Pdf — Elektor Electronics 304 Circuits
Beyond just the "how-to," the schematics often illustrate fundamental electronic principles.
304 Circuits is a popular entry in the "300 Series" published by Elektor Electronics elektor electronics 304 circuits pdf
A simple tool built from a 7400 NAND gate (or transistor pair). It tells you if a digital pin is High, Low, or Pulsing. Building this will teach you more about digital logic than a semester of theory. Beyond just the "how-to," the schematics often illustrate