Simple Arduino sketch that measures distance using an HC-SR04 ultrasonic sensor and prints the value to the serial monitor at 9600 baud.

The application initializes a 128x64 OLED display and displays text on it. The OLED display communicates with the Arduino UNO R4 via I2C (TWI) protocol at address 0x3C. Initializes serial ...

Abstract: A fundamental issue in the process industry is the regulation of the level of fluid in the interacting two tanks and the movement of fluids between the tanks. The level measure of ...

Abstract: Electrical shock incidents remain a serious safety concern across industrial, construction, and domestic environments, where accidental contact with live conductors can result in severe ...

Representational image: A visitor experiences brain-computer interface device during the Brain-computer interface (BCI) Innovation and Development Conference on January 24, 2026 in China.Getty Images ...

Last week, we got our first look at the upcoming 25W Samsung Magnet Wireless Charger, which is expected to launch alongside the Galaxy S26 series. We now have additional images of the accessory, ...

Last year at the MWC, we got some hands-on time with a curious prototype – the Xiaomi Modular Optical System. Xiaomi described it as a research project, so its future was uncertain. However, Digital ...

This project proposes the creation of a standalone alarm system based on an Arduino Nano board (ATmega328P) combined with a BK A7670E 4G GSM module. The system allows for remote activation and control ...