Firmware and a sample sketch to allow an Arduino Uno R3 to be used as a USB Keyboard with keys being sent from the sketch. Includes firmware for the atmega16u2 (USB to Serial chip) on the Uno R3 board ...

This repository contains everything you need to turn an Arduino UNO R3 into a USB keyboard. It includes two examples, one for preprogrammed input and one which uses a 4x4 keypad to input HID codes, ...

The Elektor Uno R4 is an Arduino Uno R3 equiped with the ATmega328PB-AU featuring 2x USART, 2x I2C and 2x SPI and much more. This board is an evolution of the Arduino Uno R3 board. Identical form ...

Arduino have launched an upgrade to their 8-bit Arduino UNO R3 board with the Arduino UNO R4 featuring a 48 MHz Renesas RA4M1 Arm Cortex-M4F 32-bit microcontroller, and an optional ESP32-S3 module for ...