> For the complete documentation index, see [llms.txt](https://support.cinematronic.dk/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.cinematronic.dk/gsr-and-ppg-heart-rate.md).

# GSR & PPG (Heart Rate)

- [Shimmer3 GSR+: Prerequisites](https://support.cinematronic.dk/gsr-and-ppg-heart-rate/shimmer3-gsr+-prerequisites.md): This page outlines the necessary requirements to ensure the Shimmer3 GSR+ Unit works correctly with the Cinematronic Biosignal Platform .
- [Shimmer3 GSR+: Connecting and Pairing with Windows](https://support.cinematronic.dk/gsr-and-ppg-heart-rate/shimmer3-gsr+-connecting-and-pairing-with-windows.md): This section explains the process of pairing the Shimmer3 GSR+ Unit with a Windows PC.