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Raspberry Pi High Precision AD/DA Converter Board

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1,682.21 TL
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  • Through this board, you can add 24-bit resolution 8 channel ADC(analog-digital converter) and 16-bit resolution 2 channel DAC(digital-analog converter) to your Raspberry Pi. This shield can be used smoothly with all models of Raspberry Pi, which have 40 pin connector(A+, B+, Pi 2, Pi Zero and Pi3).

    1-Raspberry Pi GPIO connection interface

    2-AD/DA ,nput/output clip connections

    3-AD input: Comptaible with Waveshare sensors

    4-7.68M crystal

    5-LM285-2.5: Ensures reference voltage for ADC IC

    6-LDR (photoresistor)

    7-Output state LED's

    8-10k potantiometer

    9-DAC8532: 16-bit 2 channel DAC IC

    10-Power state indicator LED

    11-ADS1256: 24-bit 8 channel (4 differential) ADC IC

    12-ADC test jumpers

    13-DAC test jumpers

    14-Power selection jumpers

    15-ADC reference connection: Can be connected to GND or an external reference voltage.

    Pin Connections:
    Pin Symbol Description
    1, 17 3.3V Power supply (3.3V)
    2, 4 5V Power supply (5V)
    3, 5, 7, 8, 10, 18, 22, 24, 26, 27, 28, 29, 32, 36, 38, 40 NC NC
    6, 9, 14, 20, 25, 30, 34, 39 GND Ground
    11 DRDY ADS1256 data ready output, low active
    12 RESET ADS1256 reset input
    13 PDWN ADS1256 sync/power off input, low active
    15 CS0 ADS1256 chip select, low active
    16 CS1 DAC8532 chip select, low active
    19 DIN SPI data input
    21 DOUT SPI data output
    23 SCK SPI clock
    31, 33, 35, 37 GPIO extend to sensor interface


    You can visit wiki page for detailed document and example codes.

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