In this study, we demonstrate fabrication of an evanescent wave fiber optic humidity sensor based on PEG-PMMA microsphere film as moisture-sensitive material. A three dimensional stacking structure of ...

A Raspberry Pi Pico combined with a BME280 sensor can create a small Pico Altimeter that measures data like elevation and air pressure.

If you're looking to take the plunge into the world of ESP32 devices, then here's a basic overview of what you need to know.

Circuit and Working Fig. 2 shows the circuit diagram of the humidifier. The system is built around an Arduino Uno (MOD1), a 5V SPDT relay module, a humidity sensor (DHT22), an ultrasonic humidifier, ...

As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.

A remotely powered microsystem for humidity measurement is presented. The core of the active transponder consists of a humidity-to-frequency chip fabricated in a standard complementary ...

Arduino DHT11 Weather Station - Live Serial Monitor with Logging and Metrics This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create ...

DEVELOPING ENGINEERING SKILLS THROUGH PROJECT-BASED LEARNING: AN ARDUINO-BASED SUBMERSIBLE TEMPERATURE AND DEPTH SENSOR ...

Xiaomi Mijia Smart Temperature and Humidity Sensor 3 Mini has launched for crowdfunding at $4, featuring a compact design, smart connectivity, and long battery life.