ESP8266 based with local home-assistant.io GUI, 433Mhz transmitter for lighting control and DHT22 temperature-humidity sensor. Temperature and humidity sent as JSON ...

In this video, I’m building a LoRaWAN Class A sensor node using an ESP8266, BME680 environmental sensor, and REYAX RYLR993 LoRa module. The device measures temperature, humidity, pressure, and gas ...

This is an Arduino library for the calibrated AM2302/AM2303 digital temperature and relative humidity sensor on a DHT22 breakout PCB. According to the datasheet, the AM2302/AM2303 is a low cost ...

Abstract: This project proposes an IoT-based environmental evaluation system taking into consideration its surroundings through a microcontroller ESP8266 and sensor DHTII. The system reads the current ...

1 Laboratory of Computer Science Engineering and Automation, Higher Normal School of Technical Education of Douala, University of Douala, Douala, Cameroon. 2 Laboratory of Computer Engineering, Data ...

Abstract: Due to limited resources and the potential for infection, tracking Covid-19 patients poses considerable difficulties. With an increased need for hospital beds and challenges in delivering ...

Using PlatformIO with Visual Studio Code offers a powerful, flexible, and easy-to-use environment for microcontroller firmware development. This article describes an example of integrating PlatformIO ...

1 Department of Computer Science, Veritas University, Abuja, Nigeria. 2 Department of Pure and Applied Physics, Veritas University, Abuja, Nigeria. Air pollution poses a critical threat to public ...

The DHT22 temperature and humidity sensor is a versatile and cost-effective sensor used to measure ambient temperature and humidity for a wide range of applications. It is based on a digital signal ...

Open AirGradient is a DIY air quality monitor based on the Wemos D1 mini ESP8266 WiFi IoT board programmed with Arduino and fitted with a range of sensors including an optional Sensirion SGP41 TVOC ...