Compatible with Arduino NANO
All digital and analog pins breakout
Compact size;
External power supply current support
Leads all pins out, convenient for wiring and doing experiments.
It has a nice standard 0.1″x0.1″ prototyping grid with big pads
Comes with Stacking headers and plain header, choose whichever you want when soldering together
An IC pattern for adding DIP ICs up to 20 pins
Power rails down the middle and sides
A reset button and an extra general use button
Two 3mm general use LEDs, red and green, as well as 2 matching resistors
Retain the merits of the V4.0 version
Laminated design
PCB immersion gold processing technology
IIC interface
Bluetooth module communication interface
SD card module communication interface
APC220 wireless rf modules communication interface
RB URF v1.1 ultrasonic sensors interface
12864 LCD string of line and parallel interface
32 servo controller interface