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Main control chip: ATmega328P (sticker chip) |
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UART charging and communication chip: ATmega16U2 |
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Circuit power supply: 5VDC from USB port or external power plugged from DC round jack |
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Number of Digital I/O pins: 14 (of which 6 are capable of outputting PWM pulses). |
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Number of PWM Digital I/O pins: 6 |
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Analog Input Pins: 6 |
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DC Current per I/O pin: 20 mA |
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DC Current 3.3V pin: 50 mA |
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Flash Memory: 32 KB (ATmega328P), 0.5 KB for bootloader. |
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SRAM: 2KB (ATmega328P) |
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EEPROM: 1 KB (ATmega328P) |
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EEPROM: 1 KB (ATmega328P) |
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LED_BUILTIN: 13 |
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Dimensions: 68.6 x 53.4 mm |