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Display The A/d Converted Signal Through Digilent Pmod Ad5

Made by Digilent Inc / Communication / Sensors

About the project

This project shows how to use Digilent Pmod AD5 and Arduino Uno. The result of the A/D conversion of the AIN1 channel is displayed on the serial monitor.

Project info

Difficulty: Easy

Platforms: Arduino, Digilent

Estimated time: 2 hours

License: GNU General Public License, version 3 or later (GPL3+)

Items used in this project

Hardware components

	Digilent Pmod AD5	x 1
	Arduino Uno - R3	x 1

Software apps and online services

Arduino IDE

Story

This project shows how to use the Digilent Pmod AD5 and Arduino Uno. This project was designed to display the result of the A/D conversion of the AIN1 channel on the serial monitor.

The Pmod AD5 is an analog-to-digital converter that utilizes a fourth-order sigma-delta modulator, a programmable gain array, and on-chip digital filtering, all powered by the Analog Devices AD7193. With 24 bits of resolution on up to 8 different analog input channels, users may read the highly accurate voltage measurements with an RMS noise as low as 11 nV through SPI.

Code

Pmod AD5 and Arduino Uno Code

/************************************************************************
*
* Test of the Pmod
*
*************************************************************************
* Description: Pmod_AD5
* The result of the A / D conversion of the AIN1 channel is displayed on the serial monitor.
*
*
* Material
* 1. Arduino Uno
* 2. Pmod AD5 (do not touch the jumper and
* dowload library https://github.com/annem/AD7193)
*
************************************************************************/

#include <SPI.h> // Call of libraries
#include <AD7193.h>

AD7193 AD7193; // Creation of the object AD7193

unsigned long valeur;
float tension;

void setup()
{
 Serial.begin(9600); // initialization of serial communication
 Init_AD7193();
}

void loop()
{
 valeur = AD7193.ReadADCChannel(0); // conversion A/N on input 1
 valeur = valeur >> 8; // Extraction of value
 tension = AD7193.DataToVoltage(valeur); // Recovery of tension
 Serial.println("");
 Serial.print("Valeur=");
 Serial.print(valeur);
 Serial.print('\t'); // tabulation
 Serial.print("Tension=");
 Serial.print(tension);
 Serial.println("V");
}

// Initialisation du module Pmod AD5
void Init_AD7193(void)
{
 AD7193.begin(); // initialization of Pmod AD5 module
 AD7193.AppendStatusValuetoData(); // configuration of Pmod AD5 module
 AD7193.SetPGAGain(1);
 AD7193.SetAveraging(100);
 AD7193.Calibrate();
 AD7193.ReadRegisterMap();
}

Credits

Digilent Inc

Digilent Inc., a National Instruments company, is a leader in the design, manufacture and worldwide distribution of FPGA development boards and Test and Measurement devices for both industry and education. Since our founding in 2000, Digilent has partnered with different leading semiconductor companies including Xilinx, Microchip, Analog Devices, ISSI and Texas Instruments to bring products with the latest embedded & electronics technology. Our expert team of engineers, combined with our manufacturing services and worldwide distribution has made us an ideal partner for several leading technology providers. We want to enable our partners to be successful through well designed, high quality and well manufactured hardware.

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Display The A/d Converted Signal Through Digilent Pmod Ad5

About the project

Project info