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Metro Mini
AdafruitATmega328P
A small, breadboard-friendly development board with USB-to-Serial and various I/O capabilities.
In stock
Specifications
8- Operating Voltage
- 6-16V (recommended: 9VDC) via Vin or USB power input.
- Logic Level
- 5V with 3.3V compatible inputs
- Clock Speed
- 16MHz
- Flash
- 32KB (0.5K for bootloader, 31.5KB available) bytes
- Ram
- 2KB bytes
- Gpio Count
- 20
- Dimensions
- 18mm x 44mm x 4mm (0.7" x 1.7" x 0.2")
- Connectivity
- USB, I2C, SPI, UART
Pinout
21| Pin | Name | Functions | Notes |
|---|---|---|---|
| 0 | TX | UART | Used for Serial communication |
| 1 | RX | UART | Used for Serial communication |
| 2 | D2 | GPIO | |
| 3 | D3 | PWMGPIO | |
| 4 | D4 | GPIO | |
| 5 | D5 | PWMGPIO | |
| 6 | A0 | ADCGPIO | |
| 7 | A1 | ADCGPIO | |
| 8 | A2 | ADCGPIO | |
| 9 | D9 | PWMGPIO | |
| 10 | CS | SPI | Chip Select for SPI |
| 11 | MOSI | SPI | |
| 12 | MISO | SPI | |
| 13 | D13 | PWMGPIO | Also connected to the L LED |
| 14 | A4 | I2C | Data for I2C |
| 15 | A5 | I2C | Clock for I2C |
| 16 | D10 | SPI | Chip Select for SPI (default) |
| 17 | D11 | SPI | MOSI for SPI |
| 18 | D12 | SPI | MISO for SPI |
| 19 | D14 | GPIO | |
| 20 | D15 | GPIO |
Interactive pinout
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ATmega328P
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