> For the complete documentation index, see [llms.txt](https://learn.arduinosa.co.za/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.arduinosa.co.za/sensor-kits/37-in-1-sensor-kit/laser-emitter.md).

# Laser emitter

![](https://451694785-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MPda5vaSVRKTQ6AoAmb%2Fuploads%2Fgit-blob-5bb2bd53186b4f50c7d2ff0ae92d945dfcb113e2%2Fimage.png?alt=media)

Red Laser module for direct connection to a 5 V supply. Connect the 5 V supply to the ‘S’ pin and ground to the ‘-’ pin. Transmission wavelength: 650nm