> For the complete documentation index, see [llms.txt](https://monitoring.toolkit.citiobs.eu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://monitoring.toolkit.citiobs.eu/sensing-devices.md).

# Sensing devices

- [What are we talking about when we say sensing device?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-are-we-talking-about-when-we-say-sensing-device.md)
- [What are the main elements of a sensing device?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-are-the-main-elements-of-a-sensing-device.md)
- [What variables can be measured with air quality sensing devices?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-variables-can-be-measured-with-air-quality-sensing-devices.md)
- [What other methods can be used for air quality monitoring?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-other-methods-can-be-used-for-air-quality-monitoring-besides-sensing-device-technologies-in-th.md)
- [What aspects to consider when doing mobile monitoring?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-aspects-to-consider-when-doing-mobile-monitoring.md)
- [What technical aspects to consider when choosing an air quality sensing device?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-technical-aspects-to-consider-when-choosing-an-air-quality-sensing-device.md)
- [What non-technical aspects to consider when choosing sensing devices?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-non-technical-aspects-to-consider-when-choosing-sensing-devices.md)
- [What aspects to consider when writing guidance on how to install sensing devices?](https://monitoring.toolkit.citiobs.eu/sensing-devices/what-aspects-to-consider-when-writing-guidance-on-how-to-install-sensing-devices.md)
- [How to setup a Smart Citizen Kit for air quality monitoring?](https://monitoring.toolkit.citiobs.eu/sensing-devices/how-to-setup-the-smart-citizen-kit-for-air-quality-monitoring.md): This guide will help COs assemble the Smart Citizen Kits, register them, and deploy them to start collecting data.


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