Arduino: Cheat Sheet Hacking around with hardware and cooking up homemade gadgets ... There's an Arduino Uno starter kit, for around £50. Still, ...

It contains the basics from resistor color codes, typical pinouts of various chips, current capacity of wire gauges, Arduino pinout diagrams, schematic symbols, trace widths for current capacity ...

Arduino has announced the new UNO R4 board family for prototyping and learning. The new models feature a faster microcontroller, a USB-C connector, improved power, Wi-Fi and Bluetooth LE, and more.