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Arduino_UNO_R2
Arduino UNO Microcontroller Module, release 2
Schematic Symbol
Pin Configuration (30 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | NC | no_connect |
| 2 | IOREF | output |
| 3 | ~{RESET} | input |
| 4 | 3V3 | power_out |
| 5 | +5V | power_out |
| 6 | GND | power_in |
| 7 | GND | power_in |
| 8 | VIN | power_in |
| 9 | A0 | bidirectional |
| 10 | A1 | bidirectional |
| 11 | A2 | bidirectional |
| 12 | A3 | bidirectional |
| 13 | SDA/A4 | bidirectional |
| 14 | SCL/A5 | bidirectional |
| 15 | D0/RX | bidirectional |
| 16 | D1/TX | bidirectional |
| 17 | D2 | bidirectional |
| 18 | D3 | bidirectional |
| 19 | D4 | bidirectional |
| 20 | D5 | bidirectional |
| 21 | D6 | bidirectional |
| 22 | D7 | bidirectional |
| 23 | D8 | bidirectional |
| 24 | D9 | bidirectional |
| 25 | D10 | bidirectional |
| 26 | D11 | bidirectional |
| 27 | D12 | bidirectional |
| 28 | D13 | bidirectional |
| 29 | GND | power_in |
| 30 | AREF | input |
Footprint
ConfirmedModule/Arduino_UNO_R2
Pad Layout
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Pads (30)
| Number | Type |
|---|---|
| 1 | thru hole |
| 2 | thru hole |
| 3 | thru hole |
| 4 | thru hole |
| 5 | thru hole |
| 6 | thru hole |
| 7 | thru hole |
| 8 | thru hole |
| 9 | thru hole |
| 10 | thru hole |
| 11 | thru hole |
| 12 | thru hole |
| 13 | thru hole |
| 14 | thru hole |
| 15 | thru hole |
| 16 | thru hole |
| 17 | thru hole |
| 18 | thru hole |
| 19 | thru hole |
| 20 | thru hole |
| 21 | thru hole |
| 22 | thru hole |
| 23 | thru hole |
| 24 | thru hole |
| 25 | thru hole |
| 26 | thru hole |
| 27 | thru hole |
| 28 | thru hole |
| 29 | thru hole |
| 30 | thru hole |