KNACRO IO Expansion Sensor Shield Module for Arduino UNO R3 Nano V30Nano Pro

AREF output 3.3V output 8 analog Pin with power output and GND 6 PWM Pin 1 Servo power input I2C expansion Pin Draw out all of the digital I/o mouth and analog I/o mouth, every IO mouth has the positive and negative power supply interface standard Increase the DC power supply interface. The NANO plate on the USB interface power supply current is actual only 50 ma, to bring high current equipment such as steering gear Size:60*53*13mm(L*W*H) Package Includes : 1 * Expansion Shield for Arduino Nano