AD5254 Digital Potentiometer.
The AD5254 is a 4-Channel digital Potentiometer.
This Device is available from ControlEverything.com [SKU: AD5254_I2CPOT_10K]
https://www.controleverything.com/content/Potentiometers?sku=AD5254_I2CPOT_10K
This Sample code can be used with Raspberry Pi, Arduino, Particle Photon, Beaglebone Black and Onion Omega.
Download and install pi4j library on Raspberry pi. Steps to install pi4j are provided at:
Download (or git pull) the code in pi.
Compile the java program.
$> pi4j AD5254.java
Run the java program.
$> pi4j AD5254
Download and install smbus library on Raspberry pi. Steps to install smbus are provided at:
https://pypi.python.org/pypi/smbus-cffi/0.5.1
Download (or git pull) the code in pi. Run the program.
$> python AD5254.py
Download and install Arduino Software (IDE) on your machine. Steps to install Arduino are provided at:
https://www.arduino.cc/en/Main/Software
Download (or git pull) the code and double click the file to run the program.
Compile and upload the code on Arduino IDE and see the output on Serial Monitor.
Login to your Photon and setup your device according to steps provided at:
https://docs.particle.io/guide/getting-started/connect/photon/
Download (or git pull) the code. Go to online IDE and copy the code.
https://build.particle.io/build/
Verify and flash the code on your Photon. Code output is shown in logs at dashboard:
https://dashboard.particle.io/user/logs
Download (or git pull) the code in Beaglebone Black.
Compile the c program.
$>gcc AD5254.c -o AD5254
Run the c program.
$>./AD5254
Get Started and setting up the Onion Omega according to steps provided at :
https://wiki.onion.io/Get-Started
To install the Python module, run the following commands:
opkg update
opkg install python-light pyOnionI2C
Download (or git pull) the code in Onion Omega. Run the program.
$> python AD5254.py
#####The code sets the digital value of resistance.