Arduino Pro


Arduino Pro Front View


Processor: ATmega328 (8-bit, 8MHz @3.3V - 16MHz @5V, 2 KB RAM, 32KB Flash)
Features: 14 digital I/O pins (6 can be used as analog inputs)

POWER header:
NameFunction
RSTPC6 (29)RESET
VCC
VCC
GNDGround
GNDGround
VINInput voltage (External power)

ANALOG header:
NameMCU pinFunction
14/A0PC0 (23)ADC0
15/A1PC1 (24)ADC1
16/A2PC2 (25)ADC2
17/A3PC3 (26)ADC3
18/A4PC4 (27)SDA/ADC4
19/A5PC5 (28)SCL/ADC5

DIGITAL header:
NameMCU pinFunction
0/RXPD0 (30)RXD
1/TXPD1 (31)TXD
2PD2 (32)INT0
3PD3 (1)INT1 (PWM 8bit)
4PD4 (2)XCK/T0
5PD5 (9)T1 (PWM 8bit)
6PD6 (10)AIN0 (PWM 8bit)
7PD7 (11)AIN1
8PB0 (12)ICP
9PB1 (13)OC1A (PWM 8bit)
10PB2 (14)SS/OC1B (PWM 8bit)
11PB3 (15)MOSI/OC2 (PWM 8bit)
12PB4 (16)MISO
13PB5 (17)SCK (LED)
GNDGround
AREFAREFAnalog Ref.

ISP header:
NameFunction
1MISO
2VCC
3SCK
4MOSI
5RESET
6GND