Adafruit METRO 328 without Headers - ATmega328The Adafruit METRO 328 is a versatile development board featuring the popular ATmega328 microcontroller. It is designed for projects that require a USB serial converter and ample GPIO, analog inputs, UART, SPI, I2C, timers, and PWM capabilities. ATmega328 Microcontroller: 32KB Flash (with 0. 5KB reserved for bootloader), 2KB RAM, running at 16MHz. Power Options: 7 9V DC via 2. 1mm jack (polarity protected) or USB micro, with automatic switching
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