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Arduino Pro Mini 328 - 5V/16 MHz : ID 2378 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: SparkFun Pro Mini ATmega328-5V/16MHz Development Board Compatible with Arduino Boards and IDE : Electronics
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Pro Mini Microcontroller ATmega328 Arduino Compatible Development Board 3.3V @8Mhz / 5.0V @16Mhz Mini Size
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