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MCP4922-Arduino-SPI-Library
2015-01-02
Arduino SPI Library For 12bit 2 Channel DAC MCP4922 UNO and MEGA
3 years
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MCP4922-Arduino-SPI-Library
This is a Library for using MCP4922 DAC digital to analog converter with Arduino.
The Library uses hardware SPI to communicate with the DAC and there are Examples for how to use the DAC.
Pins 51,52,53 is for ArduinoMEGA2560.
Pins 10,11,13 is for Arduino Uno.
Connections to make:
Vdd DAC pin 1 to MEGA pin 5V;
N/C DAC pin 2 to nothing;
!CS DAC pin 3 to MEGA pin 53/10 CS;
SCK DAC pin 4 to MEGA pin 52/13 SCK;
SDI DAC pin 5 to MEGA pin 51/11 MOSI;
N/C DAC pin 6 to nothing;
N/C DAC pin 7 to nothing;
!LDAC DAC pin 8 to MEGA pin 5;
!SHDN DAC pin 9 to MEGA pin 5V;
VoutB DAC pin 10 to MEGA pin A3;
VrefB DAC pin 11 to MEGA pin 5V;
Vss DAC pin 12 to MEGA pin GND;
VrefA DAC pin 13 to MEGA pin 5V;
VoutA DAC pin 14 to MEGA pin A2;
The Examples Writes to the DAC and then reads back the DAC outputs using A2/A3 pins then print result to serial.
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Reviews
1
(1)
user_sKSM98fg
2025-04-17
The MCP4922-Arduino-SPI-Library by helgenodland is an excellent and reliable tool for seamless integration of the MCP4922 DAC with Arduino via SPI communication. It is well-documented and easy to use, making it perfect for both beginners and advanced users who require precise and stable analog output. Highly recommended for any project that involves DAC interfacing!