Has anyone managed to build a luminosity sensor?

[ogiewon]

@djh_wolf

Ideally, something nodemcu based would be amazing.

You can use HubDuino to easily build a low cost illuminance sensor using a NodeMCU. HubDuino supports a variety of light level sensors, documented in the ReadMe.

[Release] HubDuino v1.1.9 - Hubitat to Arduino / ESP8266 / ESP32 / ThingShield Integration (ST_Anything)

Announcing the release of HubDuino v1.1.7 (aka ST_Anything for former ST users) [UPDATE 1.1.9] This is a minor release to improve support for the latest ESP8266 and ESP32 Arduino IDE Board Support Packages. [UPDATE 1.1.7] This is a significant update to the Parent Drivers. Changes include: MAC Address no longer required when setting up a Parent Device. Only the IP Address/Port is required to help simplify initial startup. This also means that the micro-controller can be replaced with di…