What this code does: • Connects ESP8266 board to Wi-Fi. • Connects to a secure MQTT broker (cloud server). • Reads weight from a load cell via HX711 sensor. • Sends weight data in JSON format to the ...

Load Cell and HX711 Weight Sensor Module: The load cell is a transducer that transforms force or pressure into electrical output. The magnitude of this electrical output is directly proportional to ...

This sensor is built for detecting ppm of certain gas molecules, such as VOC, ethanol, ammonia, Hydrogen sulphide, etc. This sensor can't distinguish different gas molecules. Please use the table ...

Abstract: Over the last years, a significant amount of research papers based their practical evaluation of wireless sensor network-related topics on deployments consisting of Arduino-based sensor ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...