When [Electron Impressions] used a powerful ultrasonic array to project a narrow beam of sound toward a target, he described ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

All SONOFF WiFi and Zigbee home automation devices can now work with the Matter protocol. This can be done in two ways: ...

Abstract: We propose a one-millimeter-scale linear ultrasonic motor and its feedback control system with a Hall sensor. The size of the stator measures 1.6 mm in height, 1.6 mm in width, and 0.3 mm in ...

Abstract: In previous times, the task of cutting or mowing grass required a significant amount of time and exertion. The introduction of a novel breed of mowing equipment significantly facilitated the ...

ESP to read out a watersoftener Salt tank with ultrasonic sensor. See README directory for more information on how to set this up and connect. Currently supprted ESP32 S3 (wemos S3 mini) and ESP8266 ...

Ashlyn is one of Forbes Home's in-house writers and a former civil engineer-turned content writer with over six years experience. Until recently, Ashlyn focused on creating content for Forbes Home as ...

This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...