HTTP server on Raspberry Pi providing data from 5 different temperature & humidity sensors. Run "pip3 install -r requirements.txt" first.

Example_sensor_data.json

[
	{
		"id": 1,
		"name": "DS18B20",
		"model": "ds18b20",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": [
			{
				"name": "Temperature",
				"type": "temperature",
				"value": "29.062",
				"unit": "°C"
			}
		]
	},
	{
		"id": 2,
		"name": "DHT-11",
		"model": "dht-11",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": [
			{
				"name": "Temperature",
				"type": "temperature",
				"value": "29.0",
				"unit": "°C"
			},
			{
				"name": "Humidity",
				"type": "humidity",
				"value": "41.0",
				"unit": "%"
			}
		]
	},
	{
		"id": 3,
		"name": "DHT-22",
		"model": "dht-22",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": [
			{
				"name": "Temperature",
				"type": "temperature",
				"value": "30.100000381469727",
				"unit": "°C"
			},
			{
				"name": "Humidity",
				"type": "humidity",
				"value": "34.400001525878906",
				"unit": "%"
			}
		]
	},
	{
		"id": 4,
		"name": "AM-2320",
		"model": "am2320",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": [
			{
				"name": "Temperature",
				"type": "temperature",
				"value": 29.1,
				"unit": "°C"
			},
			{
				"name": "Humidity",
				"type": "humidity",
				"value": 44.6,
				"unit": "%"
			}
		]
	},
	{
		"id": 5,
		"name": "RPi CPU Temp",
		"model": "Raspberry Pi 4B",
		"battery": 50,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": [
			{
				"name": "CPU temperature",
				"type": "temperature",
				"value": "56.0",
				"unit": "°C"
			}
		]
	}
]

requirements.txt

Adafruit-Blinka==4.5.0
adafruit-circuitpython-am2320==1.2.2
adafruit-circuitpython-busdevice==4.3.1
Adafruit-DHT==1.4.0
Adafruit-PlatformDetect==2.6.1
Adafruit-PureIO==1.1.4
Adafruit-Python-DHT==1.4.0
crcmod==1.7
RPi.GPIO==0.7.0
urllib3==1.24.1

sensors.py

#!/usr/bin/env python3

from http.server import BaseHTTPRequestHandler,HTTPServer
from urllib.parse import urlparse
from time import *
import sys, json
import os, glob
import board
import busio
import adafruit_am2320
import Adafruit_DHT

# Insert your preferred URL endpoint here:

endPoint = '/sensors'

sensors = []

# Set to True to enable. Otherwise set to False

DS18B20 = True
DHT11 = True
DHT22 = True
AM2320 = True


# Section for reading DS18B20 type temperature sensors

if(DS18B20):
	sys_dir = '/sys/bus/w1/devices/'
	raw_sensor_dir = glob.glob(sys_dir + '28*')[0]
	raw_sensor_file = raw_sensor_dir + '/w1_slave'

	def read_temp_raw():
			f = open(raw_sensor_file, 'r')
			lines = f.readlines()
			f.close()
			return lines

	def DS18B20():
			lines = read_temp_raw()
			while lines[0].strip()[-3:] != 'YES':
					time.sleep(0.2)
					lines = read_temp_raw()
			equals_pos = lines[1].find('t=')
			if equals_pos != -1:
					temp_string = lines[1][equals_pos+2:]
					temp_c = float(temp_string) / 1000.0
					temp_f = temp_c * 9.0 / 5.0 + 32.0
					return str(temp_c)

	sensors.append(
	{
		"id": 1,
		"name": "DS18B20",
		"model": "ds18b20",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": 
		[
			{
				"name": "Temperature",
				"type": "temperature",
				"value": DS18B20(),
				"unit": "\u00b0C"
			}
		]
	})

# Section for reading DHT-11 and/or DHT-22 temperature/humidity sensors

if(DHT11):
	DHT11_GPIO = 16 # GPIO that the sensor is connected to
	dht11_humidity, dht11_temperature = Adafruit_DHT.read_retry(11, DHT11_GPIO)
	sensors.append(
	{
		"id": 2,
		"name": "DHT-11",
		"model": "dht-11",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": 
		[
			{
				"name": "Temperature",
				"type": "temperature",
				"value": "{0:0}".format(dht11_temperature, dht11_humidity),
				"unit": "\u00b0C"
			},
			{
				"name": "Humidity",
				"type": "humidity",
				"value": "{1:0}".format(dht11_temperature, dht11_humidity),
				"unit": "%"
			}
		]
	})
	
if(DHT22):
	DHT22_GPIO = 12 # GPIO that the sensor is connected to
	dht22_humidity, dht22_temperature = Adafruit_DHT.read_retry(22, DHT22_GPIO)

	# Temporary fix for the insanely high resolution on the DHT-22, resulting in 10 decimals as default:
	dht22_temp = float("{0:0}".format(dht22_temperature, dht22_humidity))
	dht22_hum = float("{1:0}".format(dht22_temperature, dht22_humidity))
	dht22_tr = round(dht22_temp, 2)
	dht22_hr = round(dht22_hum, 2)

	sensors.append(
	{
		"id": 3,
		"name": "DHT-22",
		"model": "dht-22",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": 
		[
			{
				"name": "Temperature",
				"type": "temperature",
				"value": dht22_tr,
				"unit": "\u00b0C"
			},
			{
				"name": "Humidity",
				"type": "humidity",
				"value": dht22_hr,
				"unit": "%"
			}
		]
	})
else:
	pass

# Section for reading the AM2320 Temperature/Humidity sensor

if(AM2320):
	i2c = busio.I2C(board.SCL, board.SDA)
	am = adafruit_am2320.AM2320(i2c)
	am2320_temp = am.temperature
	am2320_humidity = am.relative_humidity
	sensors.append(
	{
		"id": 4,
		"name": "AM-2320",
		"model": "am2320",
		"battery": 254,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": 
		[
			{
				"name": "Temperature",
				"type": "temperature",
				"value": am2320_temp,
				"unit": "\u00b0C"
			},
			{
				"name": "Humidity",
				"type": "humidity",
				"value": am2320_humidity,
				"unit": "%"
			}
		]
	})
else:
	pass

# If you get a "VCHI initialization failed" error, you must add your user to the "video" group:
# 	sudo usermod -aG video <YOUR_USERNAME>
cputemp_ = os.popen("vcgencmd measure_temp").readline()[5:]
cputemp = cputemp_[:4]
sensors.append(
	{
		"id": 5,
		"name": "RPi CPU Temp",
		"model": "Raspberry Pi 4B", # or whatever 
		"battery": 50,
		"deviceType": "0000000D-0001-1000-2005-ACCA54000000",
		"uuid": "0000000D-0001-1000-2005-ACCA54000000",
		"data": 
		[
			{
				"name": "CPU temperature",
				"type": "temperature",
				"value": cputemp,
				"unit": "\u00b0C"
			}
		]
	})

class SensorServer(BaseHTTPRequestHandler):

	def do_GET(self):
		self._set_headers()
		if self.path == endPoint:
				sensorData = json.dumps(sensors)
				return (self.send_response(200), self.send_header("Content-type", "application/json"), self.end_headers(), self.wfile.write(sensorData.encode(encoding='utf-8')))

def run(server_class=HTTPServer, handler_class=SensorServer, port=8080):
	server_address = ('', port)
	httpd = server_class(server_address, handler_class)
	print('Starting Sensor server...')
	try:
		httpd.serve_forever()
	except KeyboardInterrupt:
		pass
		httpd.server_close()
		print('\n Stopping Sensor server...')

if __name__ == "__main__":
	run()