As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for ...

Ultrasonic fingerprint sensors are taking smartphone security to the next level, offering reliable and fast unlocking even in less-than-ideal conditions. If you’re interested in experiencing ...

Installing a smart water sensor can save you a lot of money and hassle. The best models we've tested immediately alert you to leaks and even shut off your home's water supply.

The problem An LD2410 presence sensor that was working perfectly for weeks on an ESP8266 stopped providing data after a recent ESPHome update. The ESPHome device connects to Wi-Fi and Home Assistant, ...

The problem After upgrading from ESPHome 2025.5.2 to 2025.6.0, and flashing my four AtHom AR-01 wirelessly, all of them stopped working. My automations use the receiver part only. The ESPHome devic ...

The novelty in this paper is the design and implementation of a wireless network consisting of relatively inexpensive sensor nodes. It highlights the optimizations made, such as sending, storing, and ...

Room temperature and humidity are measured with a DHT22 sensor and processed using Tsukamoto’s Fuzzy Inference System to produce the appropriate fan speed in the Duty Cycle unit. Tools and ...