1. Controller: ATmega32u4 2. goods recorded: 16 MHz 3. Operating voltage: 5V 4. Input Voltage (recommended) :7-12V 5. Digital IO port: 22 (D0-D13, D14-MISO D15-SCK, D16-MOSI D18-23 [A0-A5) 6. PWM channel: 7 (D3, D5, D6, D9, D10, D11, D13) 7. analog input: 12 (A0-A5, D4-A6, D6-A7, D8-A8 ,-A9 D9, D10-A10, D12-A11) 8. 5V digital / …
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