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What are the changes from Arduino to Seeeduino?

  • Duplicate digital IO to 100mil grid for prototype board compatibility.

  • Shrink components height below female headers.

  • Easier access to buttons and switches.

  • Change Type-B USB port to Mini USB.

  • Replace 3.5mm DC power Jack to battery 2 Pin plug.

  • Reset and power indicator near RST button.

  • Auto-reset selection.

  • 3.3V Operating Voltage selection.

  • Pin out UART for FTDI232 bit-bang operation.

  • Pin out 2 extra ADC.

  • Optional capacitor for improving 3.3V output performance.

  • Re-route PCB

  • Pin out for I2C and sensors

Seeeduino Front View

1. Duplicate digital IO to 100mil grid for prototype board compatibility. Adding an second row of header align to standard 100mil grid, so it will be compatible both to existing shield and to a cheap 100mil grid prototype board. By default, the new IO is soldered instead or traditional headers, and you may add the traditional header yourself.

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