Arduino Nano (V2.3)
User Manual
Released under the Creative Commons Attribution Share-Alike 2.5 License
http://creativecommons.org/licenses/by-sa/2.5/
More information:
www.arduino.cc Rev. 2.3
Arduino Nano Pin Layout
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D1/TX (1) (30) VIN
D0/RX (2) (29) GND
RESET (3) (28) RESET
GND (4) (27) +5V
D2 (5) (26) A0
D3 (6) (25) A1
D4 (7) (24) A2
D5 (8) (23) A3
D6 (9) (22) A4
D7 (10) (21) A5
D8 (11) (20) A6
D9 (12) (19) A7
D10 (13) (18) AREF
D11 (14) (17) 3V3
D12 (15) (16) D13
Pin No. Name Type Description
1-2, 5-16 D0-D13 I/O Digital input/output port 0 to 13
3, 28 RESET Input Reset (active low)
4, 29 GND PWR Supply ground
17 3V3 Output +3.3V output (from FTDI)
18 AREF Input ADC reference
19-26 A7-A0 Input Analog input channel 0 to 7
27 +5V Output or
Input
+5V output (from on-board regulator) or
+5V (input from external power supply)
30 VIN PWR Supply voltage
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