Environment Sensors: Difference between revisions

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In order to create the ideal environment for your cultivar, it is essential to be able to accurately measure temperature, humidity, pH, and light intensity. When providing additional Co<sub>2</sub>, a Co<sub>2</sub> sensor is also crucial. The sensors available to the consumer broadly fall into three categories: cheap and generic, DIY sensors for microcontrollers, and expensive "professional" devices. The cheap and generic devices can yield good results but aren't very accurate. Sensors to be used with microcontrollers are equally cheap but much more accurate with the caveat that they require a little electronics knowledge to use. Finally, "professional" devices are very accurate but much more expensive than other options. Generally speaking, the more accurate your sensors are the better growth (and yield) you will be able to achieve.
 
== DIY grow controllers ==
A number of grow controllers based on microcontrollers or linux are available online.
 
* [https://github.com/thecannawiki/ESP32EnvironmentController ESP32EnvironmentController] Based on ESP32. Supports humidity, temperature, VPD and Co<sub><big>2</big></sub>
* [https://github.com/supergreenlab/SuperGreenOS SupergreenOS] Based on espressif ESP32. No longer maintained
 
== Humidity and Temperature ==