Microcontrollers for Kids shows a classroom-tested path from Scratch to Open Roberta to Arduino UNO, with printable coding ...

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...

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

While CES 2026 is full of tech giants unveiling their latest innovations, the real excitement comes from discovering unexpected, quirky gadgets that make you ask, “Who thought of this?” We’re here to ...

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 ...

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 ...

Abstract: Proximity sensing is of great importance for robot control during human–robot collaboration (HRC). Commonly used machine vision sensors or photodetectors are subjected to the light block ...

This readme provides instructions on how to build / use a Meshtastic I2C sensor in both host and client modes. There are two PlatformIO environments available as examples to build off of: kb2040_host ...

The ultrasonic inspection of highly textured materials, such as austenitic stainless steels is made difficult by the presence of large grains or colonies of grains with different alignments of their ...

This project will investigate the fundamental principles of using guided ultrasonic waves to create a map of defects in a complex shell structure. The pipe application above is essentially ...