Description
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Microcontroller: ATmega328P
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Operating Voltage: 3.3V or 5V versions
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Input Voltage: 3.35V–12V (via RAW pin)
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Clock Speed: 8 MHz (3.3V) or 16 MHz (5V)
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Digital I/O Pins: 14 (6 PWM outputs)
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Analog Input Pins: 8
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Flash Memory: 32KB
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No USB onboard – requires external FTDI/USB-to-Serial adapter
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Ultra-compact design, suitable for wearables, IoT, and minimal PCB space projects







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