An Arduino is by no means expensive, but that still doesn't mean that it suits your needs right out of the box. If you want to make your own custom board, Make shows you how in a three-part series.

As a beginner getting started with Arduino, your first instinct is ... as creators and developers typically create one to show the project's schematic diagram. Other than Arduino, Wokwi also ...

So if you are in a plan to make your own open source microcontroller ... Next is the complete schematic diagram of a little Arduino board for your everyday projects. Use the Atmega328P chip, with ...

Not exactly schematics, but [Duckman] has some Arduino pinout diagrams he made using ASCII-art. These could be useful when pasted into source code as comments, documenting the pinouts for your ...

Here is an Arduino based circuit with three independent pulse width modulated (PWM) channels to fulfil your requirements! Just follow the schematic diagram to complete the construction, and use any ...