Butlr uses body heat to track physical interactions and movement in the workplace. This helps clients save money through ...

The best smart thermostat for your home saves you money and brings peace of mind. We share our picks for topnotch smart ...

The beginner’s guide for hobbyists and makers unlocks some of the practical secrets behind lightning detection design.

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

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 ...

Truth be told, diving down the smart home automation rabbit hole can be an expensive journey. All of these devices can set you back a few dollars, and those prices can add up quickly. Sure, there are ...

A fast response relative humidity (RH) sensor with a fiber tip pentaerythritol tetraacrylate (PETA) based all-polymer microcavity is presented. The fiber tip all-polymer microcavity, with a maximum ...

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, ...