This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

A very cool (also warm!) property of the base-emitter junction of (most) small signal BJTs is the ΔVbe temperature-sensing ...

LILYGO's T-Watch Ultra is an ESP32-S3-based smartwatch development platform that appears to be an upgrade over the previous T ...

Wearable technologies are starting to reshape how people manage health. Continuous glucose monitors that measure blood sugar ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The little board from an Italian university with its easy to use dev environment ...

A dramatic U.S. military rescue mission deep inside Iran hinged on a critical moment of verification: commanders asked a stranded Air Force colonel a question about his father, something only he could ...

If you were to point to a single device responsible for much of Hackaday’s early success, it might be the Arduino Uno. The ...

Ultrasonic Sensor Distance Calculator (STM32) Overview This project implements a distance measurement system using the STM32 Bluepill microcontroller and HC-SR04 ultrasonic sensor. The system ...

Abstract: Radar technology has been a cornerstone of numerous applications, from aviation to meteorology, offering invaluable capabilities for object detection and tracking. Traditional radar systems, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Following a new round of testing, we have added a number of ...