Technical specifications:
- Model: Arduino Leonardo
| id | pin | type | direction | description |
|---|---|---|---|---|
| 0 | 0 | digital | input | Serial communication |
| 1 | 1 | digital | output | Serial communication |
| 2 | 0 | digital | input | Power switch |
| 3 | 3 | digital | output | Relay |
| 4 | 4 | - | - | - |
| 5 | 5 | PWM | output | Speaker |
| 6 | 6 | PWM | output | Angry LED |
| 7 | 7 | - | - | - |
| 8 | 8 | - | - | - |
| 9 | 9 | PWM | output | Servo motor |
| 10 | 10 | - | - | - |
| 11 | 11 | - | - | - |
| 12 | 12 | - | - | - |
| 13 | 13 | digital | output | Status LED |
| 14 | 0 | - | - | - |
| 15 | 1 | - | - | - |
| 16 | 2 | - | - | - |
| 17 | 3 | - | - | - |
| 18 | 4 | - | - | - |
| 19 | 5 | analog | input | Random number generator Seed input |
+-----+
+----[PWR]-------------------| USB |--+
| +-----+ |
| |
| A5/SCL[ ] | C5
| A4/SDA[ ] | C4
| AREF[ ] |
| GND[ ] |
| [ ]N/C SCK/13[x]~| B5
| [ ]v.ref MISO/12[ ] | .
| [ ]RST MOSI/11[ ]~| .
| [ ]3V3 +-----+ 10[ ]~| .
| [ ]5v | | 9[x]~| .
| [ ]GND | MCU | 8[ ] | B0
| [ ]GND | | |
| [x]Vin +-----+ 7[ ] | D7
| 6[x]~| .
| [ ]A0 5[ ]~| .
| [ ]A1 4[ ] | .
| [ ]A2 INT1/3[x]~| .
| [ ]A3 INT0/2[x] | .
| [ ]A4/SDA RST SCK MISO TX>1[x] | .
| [x]A5/SCL [ ] [ ] [ ] RX<0[x] | D0
| [ ] [ ] [ ] |
| Leonardo GND MOSI 5V ____________/
\_______________________/
Adapted from: http://busyducks.com/ascii-art-arduinos
Technical specifications:
- Version: 5
+----[PWR]----------------------------+
| |
| GND/RST2 [ ][ ] |
| MOSI2/SCK2 [ ][ ] A5/SCL[ ] | C5
| 5V/MISO2 [ ][ ] A4/SDA[ ] | C4
| AREF[ ] |
| GND[ ] |
| [ ]N/C SCK/13[x] | B5
| [ ]v.ref MISO/12[ ] | .
| [ ]RST MOSI/11[ ]~| .
| [ ]3V3 10[ ]~| .
| [ ]5v 9[x]~| .
| [ ]GND 8[ ] | B0
| [ ]GND |
| [ ]Vin 7[ ] | D7
| 6[ ]~| .
| [ ]A0 5[ ]~| .
| [ ]A1 4[ ] | .
| [ ]A2 INT1/3[x]~| .
| [ ]A3 INT0/2[x] | .
| [ ]A4/SDA RST SCK MISO TX>1[x] | .
| [x]A5/SCL [ ] [ ] [ ] RX<0[x] | D0
| [ ] [ ] [ ] |
| GND MOSI 5V ____________/
\_______________________/