start database

sites/WeatherStation/.gitignore

@@ -1,2 +1,3 @@
 db.sqlite3
 */__pycache__
+*/migrations

sites/WeatherStation/HomeWeather/admin.py

@@ -1,3 +1,5 @@
 from django.contrib import admin
-
+from .models import Sensor, Measurement
 # Register your models here.
+admin.site.register(Sensor)
+admin.site.register(Measurement)

sites/WeatherStation/HomeWeather/models.py

@@ -1,3 +1,18 @@
 from django.db import models
 
 # Create your models here.
+class Sensor(models.Model):
+    name = models.CharField(max_length=20, default="bedroom-bme280-01")
+    temperature_unit = models.CharField(max_length=5, default="C")
+    pressure_unit = models.CharField(max_length=5, default="hPa")
+    humidity_unit = models.CharField(max_length=5, default="%")
+    def __str__(self):
+        return f"Sensor {self.name}, units are C (temperature), hPa (pressure) and % (humidity)"
+
+class Measurement(models.Model):
+    time = models.DateTimeField('timestamp', auto_now=True)
+    temperature = models.FloatField(default=-400)
+    humidity = models.FloatField(default=-1)
+    pressure = models.FloatField(default=-1)
+    def __str__(self):
+        return f"{self.time}, {self.temperature} C, {self.pressure} hPa, {self.humidity} %"

sites/WeatherStation/WeatherStation/settings.py

@@ -31,6 +31,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'HomeWeather.apps.HomeweatherConfig',
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',