I ordered the fingerprint reader and a few more ESP8266 mini boards this week...
community.home-assistant.io

Garage Fingerprint Sensor
Great, got the bin file uploaded and all seems well. My next problem is how to do the following… When that’s done, you can enroll your fingerprint in the sensor by calling the service esphome.X_enroll where X is the device name, with the parameters finger_id and num_scans. Where/how do I do...
