Update 'README.md'

README.md

@@ -1,7 +1,29 @@
 # DS18B20_raspi
 
+## Read first
+https://pinout.xyz/pinout/1_wire
+https://www.raspberrypi-spy.co.uk/2018/02/enable-1-wire-interface-raspberry-pi/
+
+For grafana Influx:
+https://pimylifeup.com/raspberry-pi-grafana/
+https://pimylifeup.com/raspberry-pi-influxdb/
+
+
+## Hardware
+
+Connect the DS18B20 to the raspberry pi
+Raspi  - DS18B20
+3V3    -> VIN
+GND    -> GND
+GPIO 4 -> DATA
+
+Rember to add a 4K7ohm pull-up resistor between VIN and DATA on the sensor!
 
 ## Installation
+
+Enable i2c in raspi-config
+
+
 Copy the files (as root!) report_temperature.service/report_temperature.timer from ./etc/systemd/system to your system /etc/systemd/system
 
 Now tell systemd that you have added new files:  
@@ -19,3 +41,18 @@ If you want the script to be stores elsewhere (not in /home/pi/tempsense/.) then
 Just change the line:
 ExecStart=/home/pi/tempsense/temperature_reporter.py
 
+## Configure the script before running.
+
+in temperature_reporter.py
+
+comfigure:
+'
+INFLUX_IP = ""
+INFLUX_PORT = 8086
+INFLUX_DB = ""
+INFLUX_USER = ""
+INFLUX_PASS = ""
+'
+
+You can give the sensors costum names to be reoported by configuring the in the device names:
+device_names = {"28-000000000000":"Sensor_Name"}