Maruduino OP1 Basic board set

[Features]
* Using 16-digit 2-row LCD module, information display function can be added.
* On U2, Duemilanove328P and Japanino of GAKKEN can be mounted.
* On U1, various shields of Arduino can be mounted.
* On IC4, audio amplifier circuit can be mounted.
* On IC4, 3P regulator can be mounted and it is possible to supply external power from CN9.
* Using 4 LEDfs and 4 tack switches, 4-ch status display indicators and 4-ch input keys can be used.
* Using CN2, CN3, CN5 and CN6, etc., I/O ports of AVR and power line can be used.
For others, refer to the circuit diagram.

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