The Metro 328 has been created to provide extra features on top of what you would expect from the Arduino Uno offering plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM.

Fred Dart at FTDI has created a new energy efficient Arduino UNO compatible board that is based on the FTDI FT231X USB UART and is capable of delivering 5V at a full 1A without overheating.

An Arduino Uno-compatible home automation board requires no separate power supply as a power source soldered onto the board itself. According to the developer GarageLab, it is supplied directly from ...