The ESP32 is an extremely popular low-cost chip from Chinese manufacturer Espressif, which is estimated to be used in over 1 billion devices worldwide by 2023, and contains an undocumented backdoor ...

The Automatic Garbage Collector is an IoT-based system designed to automate waste collection. A line follower robot, ESP32, ultrasonic sensors, and a servo motor with electromagnets were all ...

The 3D ultrasonic sensors offer a cost-effective alternative to LiDAR and camera-based systems, typically consuming just 5 W and performing more reliably in challenging conditions such as poor ...

To provide assistance to the visually impaired, we propose this paper which shows the creation and deployment of an intelligent walking stick which integrates a number of technologies to help such ...

The package includes cardboard and wooden models, various cables, a 180° servo, a screw set, a city map, the Smarthon IoT:bit carrier board for the BBC Micro:bit, battery holder, and various modules ...

OBOCar SDK Documentation Introduction The OBOCar SDK is a lightweight MicroPython library designed for controlling the OBOCar using the ESP32 microcontroller. It supports motor control, buzzer ...

In-display fingerprint sensors have become commonplace in virtually all Android smartphones, for better or for worse, and five years later we’re finally seeing the ultrasonic variety widely used ...

Ultrasonic fingerprint scanners are usually only seen in premium phones like the Galaxy S24 series. So it is usually seen as the better technology for fingerprint security technology.

This one is an unusual smart home project, potentially - how to monitor a fish tank’s health with an AI-enabled ultrasonic sensor system. The detailed project is highlighted on Hackser.io and features ...

Vehicle Speed Control for Safety using RF Technology. In a world where road safety is a top priority, we’re here to introduce an innovative solution. Unlike regular speed detectors, which simply ...

Ultrasonic sensors have been a staple in the sensing space for several decades due to their capabilities, flexibility, and low cost. As the rise of IoT finds its way into virtually every market and ...