"The module also has an inductive finger function. When the finger is pressed to the fingerprint collection surface, the module touch pin outputs a high level."
Using the above capability to only turn the LED on when a finger is detected. The LED can be overridden (forced off) using MQTT Topic.
"The module also has an inductive finger function. When the finger is pressed to the fingerprint collection surface, the module touch pin outputs a high level."
Using the above capability to only turn the LED on when a finger is detected. The LED can be overridden (forced off) using MQTT Topic.