NOTE

1. Please don't update the bootloader since it is different from the Arduino Pro

or Pro Mini one.

2. Please connect an external power supply, if you want to make some large curre

nt application such as servo control.

Specification



Microcontroller: ATmega328P （board type: Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega328

）



Operating Voltage: 2.7 - 5V



Clock Frequency: 8MHz （RC）



Sleep Current: 0.12uA@3V3， 0.16uA@5V （watchdog OFF）



Flash: 32 KB （ 0.5KB used by bootloader)



SRAM: 2 KB



EEPROM: 1 KB



Digital I/O Pins: 14 (PWM: 3,5,9,10,11)



Analog I/O Pins: 6



UART Interface: 1



I2C Interface: 1



Interrupt interface: 2



Power in Port: 1



Power out Port: 6 (4 of them are controllable power port)



Maximum Current from Controllable Power out: 2A



Dimension: 28 x 31 x 2.3 (mm)



Weight: 10g

Pin Definition