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ESP32 mySQM+ Sky-Meter/Weather Station with loads of features
mySQM+ Sky Quality Meter/Weather Station
(c) R Brown, 2020-2025, All rights reserved.
Permission is granted for personal and Academic use only.
Code or portions of code may not be copied or used without appropriate credit given to author(s).
EXPANSION BOARDS - You can expand this project using the two types of project expansion boards at
https://sourceforge.net/projects/myesp-boards/
Use DHT22 temperature / humidity sensor on NodeMCU (ESP8266) with MQTT
This is a Sketch for the arduino IDE to enable the usage of a DHT22 sensor connected to a NodeMCU (ESP8266) with MQTT. Also supported are 2 status LED's and a SPI diaplay.
After start the sensor device, there will be a Wifi-AP for configuration purposes. After successfully configuration, the sensor is connected as a Wifi-client and send the temperature and humidity data via MQTT within the given intervall.
This project is a low cost & lowpower Datalogger based on BeagleBone Black. The data logger is an electronic device that records earthquakes(Sensor network), Wind ,daylight ,power used/produced on the street lamp over time. Data will then be uploaded via a wireless radio MESH network(868 Mhz) to a database server for later analyze. The Prototype is developed on two microcontrollers(AVR and ARM Cortex-A8) with the low power and