Tag

#output

2 tutorials

arduino beginner 30 min

Wire a TM1637 4-digit 7-segment display to an Arduino and print numbers, a clock, and a scrolling counter. Two pins, one library, no soldering.

esp32 beginner 20 min

How to read and write the ESP32's GPIO pins, when to use the internal pull-ups, and the input-only pins that catch everyone once.