The classic "repeat the sequence" memory game translates neatly into an Arduino project — four colored LEDs, four matching buttons, and a growing…
A four-digit seven-segment display and three buttons are all it takes to build a functional up/down counter — a small project that's a genuinely useful…
An Arduino and DS3231 can trigger reminders from a user-entered schedule, but the project must not prescribe a dose or time. The authoritative source is…
Our earlier Arduino voltmeter article showed a precise numeric reading; this project trades some of that precision for something faster to read at a…