Digital Potentiometer

Demonstration setup for digital potentiometer connected to NI myRIO MXP.
This project introduces students to the operation, interface theory, and features of a digital potentiometer and the SPI communication protocol. Students complete an activity to build an interface circuit, use LabVIEW and myRIO to set the virtual wiper position, and observe the resulting change in resistance. Through these activities, students follow steps to demonstrate correct operation of the digital potentiometer, watch videos involving theory, and participate in a short activity after each video.
by Dr. Ed Doering | Rose-Hulman Institute of Technology
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This is module 31 of 39 in the course set, NI myRIO Project Essentials Guide.

STUDENT MATERIALS

 
  • PDF Project Manual
  • LabVIEW Code
  • Video Tutorials (linked within Project Manual)
 

SKILLS REQUIRED

 
  • Basic LabVIEW familiarity
  • Basic circuit building

myRIO

Provides reconfigurable I/O that allows you to teach and implement multiple design concepts with one device.

myRIO Embedded Systems Accessory Kit

Includes sensors, devices, and a display for teaching and implementing embedded systems concepts.

LabVIEW

An integrated development environment designed specifically for engineers and scientists.

Required Software

Download Academic Software, Learn About Software Licensing
  • myRIO Software Bundle (2013 or later)
    • LabVIEW (Requires license)
    • LabVIEW Real-Time Module (Requires license)
    • LabVIEW myRIO Toolkit
 

Required Hardware

Purchase Engineering Education Products
  • myRIO (enclosed) - View Specifications
  • myRIO Embedded Kit
    • Kit components included in this module:
      • Digital potentiometer
      • Jumper wires
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