Maker UNO is a development board compatible with Arduino UNO R3, an alternative and improved solution. Based on the ATmega328P, it has 12 LED (pin 2 to pin 13), 1 piezo buzzer (pin 8), 1 switch on/off for piezo buzzer and 1 programmable button (pin 2).
The current for devices operating at 3.3 V is as much as 500 mA compared to the 50 mA of Arduino Uno. The ATmega16u2 USB-to-serial converter has been repl
