Arduino Nano


Arduino Nano Front View


Processor: Atmel ATmega168 (v2.x) or ATmega328 (v3.0)
Features: 14 digital I/O pins, 8 analog inputs, native USB support

NameMCU pinFunction
1PD1 (31)PCINT17/TXD
0PD0 (30)PCINT16/RXD
RSTRESET/PC6 (29)PCINT14/Reset
GNDGround
2PD2 (32)PCINT18/INT0
3PD3 (1)PCINT19/INT1/OC2B
4PD4 (2)PCINT20/T0/XCK
5PD5 (9)PCINT21/T1/OC0B
6PD6 (10)PCINT22/AIN0/OC0A
7PD7 (11)PCINT23/AIN1
8PB0 (12)PCINT0/CLKO/ICP1
9PB1 (13)PCINT1/OC1A
10PB2 (14)PCINT2/OC1B/SS
11PB3 (15)PCINT3/OC2/MOSI
12PB4 (16)PCINT4/MISO
13PB5 (17)PCINT5/SCK
3.3V3.3V
REFAREF (21)Analog Ref.
14/A0PC0 (23)PCINT8/ADC0
15/A1PC1 (24)PCINT9/ADC1
16/A2PC2 (25)PCINT10/ADC2
17/A3PC3 (26)PCINT11/ADC3
18/A4PC4 (27)PCINT12/ADC4/SDA
19/A5PC5 (28)PCINT13/ADC5/SDCL
A6ADC6 (19)ADC6
A7ADC7 (22)ADC7
5V5V
RSTRESET/PC6 (29)PCINT14/Reset
GNDGround
VinInput voltage (External power)

ICSP header:
NameFunction
1MISO
2VCC (5 V)
3SCLK
4MOSI
5RESET
6Ground