cpdctrl/README.md

CPDCTRL

A interactive command-line utility for measuring CPD (contact potential difference).

To run it, launch Powershell, activate the python virtual environment and then run the script with ipython

cd cpdctrl
.\venv\Scripts\Activate.ps1
ipython -i .\cpdctrl\cpdctrl\cpdctrl-interactive.py

Devices

Currently requires

• Keithley 2700 SMU for measuring the voltage (CPD)
• Arduino Nano connected to a Thorlabs LEDD1B for controlling the light source (LED)