Then, an Arduino board might be exactly what you're looking for. This open-source hardware platform comes in a multitude of versions, from the classic Uno to the tiny Nano to the powerful Giga ...

You’d probably get something like [ElectroBoy]’s 8051-based Arduino Uno. The board itself also has some differences from the original Arduino Uno. First of all, it has a USB type-C port ...

[Andrew] writes in with his Z80 single-board computer made ... mimicking the pins found in an Arduino Uno. The code, available on GitHub, includes an extensive explanation and walkthrough over ...

Connector to add external battery to real-time clock (RTC) inside Renesas MCU (MCU RTC power pad held to 5V rail on Minima) Secondary (wireless) processor: 240MHz 3.3V dual core 32bit Espressif ...