It works with Arduino IDE (shows up as Mega)
It is compatible with ALL the sensors and breakout boards for UNO and Mega
It is compatible with ALL the sketches and tutorials of UNO and Mega
It has the same bootloader of Mega (stk500v2)
-All PORTS have been realigned in row of 8
-Some analog inputs read up to 50V
-direct plugin for ESP-01 (serial3 has level shifter to 3.3V)
-16 blue leds connecte to PORTB and A
-3 user leds of three different colors
-1 user button
-direct plugin for the classic OLED with I2C
-direct plugin for servoes
-direct plugin for 4 relay shields of 8 relays each, for a total of 32
can handle 5A at 5V and 750mA at 3.3V