The original book’s schematics were small. In PDF form, you can zoom in 400% to see a resistor value that might be smudged in the original print. For aging eyes, this is a game-changer.
He reached Circuit 512: Phase-Shift Oscillator for Theremin Control . He didn’t have a theremin, but he had a box of old parts in the garage. For the first time in a decade, he dug out the soldering iron. The original book’s schematics were small
: Logic circuits, timers, counters, and remote control circuits. Key Features for Builders The original book’s schematics were small