update readme

README.md

@@ -1,21 +1,8 @@
-# Geiger counter
-![counter](./images/geiger.jpg)
+# Air quality sensor
+
 
 # How to join
 ## Reset to FN rebooting device 5 times with interval less than 10 seconds, led will start flashing during reset
+## Reset to FN by pressing and holding button(1) 3 seconds (beware, this button also responsible for autocalibration)
 
-# How to change parameters
-Sensitivity:
-`mosquitto_pub -t "zigbee2mqtt/FN/BUTTON_NUM/set/sensitivity" -m '100'`
-This attribute will be used on reporting, pulsesCount * sensitivity.
-You can use this attribute to setup reporting in your prefered units
-radiationDosePerHour = pulsesCount * sensitivity
-
-Led feedback (ON/OFF) (default=ON)
-`mosquitto_pub -t "zigbee2mqtt/FN/1/set/led_feedback" -m 'ON'`
-
-Buzzer feedback (ON/OFF) (default=OFF)
-`mosquitto_pub -t "zigbee2mqtt/FN/1/set/buzzer_feedback" -m 'ON'`
-# How to add device into zigbe2mqtt
-tbd