from machine import Pin from time import sleep import machine import dht from umqtt.robust import MQTTClient import json import gc with open("config.json", 'r') as f: config = json.load(f) print(config) led = Pin(2, Pin.OUT) d = dht.DHT11(Pin(12)) adc = machine.ADC(0) c = MQTTClient("umqtt_client", config["mqtt"]["server"],ssl=True, user=config["mqtt"]["user"], password=config["mqtt"]["password"]) gc.enable() while True: led(0) d.measure() data = {'temp': d.temperature(), 'humid': d.humidity(),'light': adc.read(), 'id': config["id"]} print(data) led(1) try: c.connect() c.publish(b"sensors", json.dumps(data)) finally: c.disconnect() gc.collect()