>>>>> DEMO
DEMO1: INT_CHAN_0 & INT_CHAN_1 timer interrupt demo
DEMO2: D/A Output
DEMO3: Write the data to EEPROM
DEMO4: Read data from EEPROM


>>>>> Calibration
DEMO5: Software calibration 
Each PIO-DA2 Series card is already fully calibrated when shipped from the factory,
so it is usually unnecessary to calibrate the board again unless the accuracy is lost.