Not exactly schematics, but [Duckman] has some Arduino pinout diagrams he made using ASCII-art. ... Turned LED into ED. Top row is still broken. Looked awful before at least. Report comment. Reply.

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

Two serial LED display driver ICs(74HC595) A multi-turn trimpot (10K) A port for DS18B20 temperature sensor; A port for TSOP1838 infrared receiver module; A APC220 wireless module interface ...