About this item
The Adafruit Metro Mini 328 is a compact, Arduino-compatible development board featuring the ATmega328P microcontroller running at 16 MHz. It offers 32KB of flash memory (with 0.5KB reserved for the bootloader) and 2KB of SRAM. The board provides 20 GPIO pins, including 6 analog inputs and 6 PWM outputs, along with hardware support for SPI, I2C, and UART communication. Power can be supplied via a micro USB connector or through the VIN pin with a voltage range of 6–16V. The Metro Mini 328 is ideal for breadboard projects requiring a compact form factor.
Specifications
| Logic Level | 5V logic with 3.3V compatible inputs |
|---|---|
| Flash Memory | 32KB (0.5KB reserved for bootloader) |
| Indicator LEDs | Four |
| Reprogramming | Easy |
| Available Memory after Bootloading | 31.5KB |
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