MatthiasQuintern/cpdctrl
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# CPDCTRL # CPDCTRL
A interactive command-line utility for measuring CPD (contact potential difference). A python library and 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` To run the interactive utility, launch **Powershell**, activate the python virtual environment and then run the script with `ipython`
```ps1 ```ps1
cd cpdctrl cd cpdctrl
.\venv\Scripts\Activate.ps1 .\venv\Scripts\Activate.ps1
ipython -i .\cpdctrl\cpdctrl\cpdctrl-interactive.py ipython -i .\cpdctrl\cpdctrl\cpdctrl-interactive.py
``` ```
## Devices In the ipython shell, run `help()` to get a list of available functions and help topics.
Currently requires
- *Keithley 2700 SMU* for measuring the voltage (CPD)
- *Arduino Nano* connected to a *Thorlabs LEDD1B* for controlling the light source (LED)
## Devices
Voltage Measurement:
- **Keithley 2700 SMU** for measuring the voltage (CPD)
Led Controller:
- **Arduino Nano** connected to a **Thorlabs LEDD1B** for controlling the light source (LED)
- **Thorlabs DC2200**