An Arduino-based ultrasonic object detection system using an HC-SR04 ultrasonic sensor and a servo motor, with a radar-style visualization displayed on a computer. This project uses an HC-SR04 ...

This project uses an HC-SR04 ultrasonic sensor mounted on a servo motor to scan the surroundings. The servo motor moves the ultrasonic sensor through different angles, while the HC-SR04 measures the ...

September 24 to the morning of September 25, 2026 (JST). Includes announcements from September 23–24 in US time.1. Today's ...

Implantable bioelectronics have long promised a future of battery-free medical devices that sit quietly inside the body, ...

If you’re reading Hackaday there’s pretty good odds you’re at least somewhat fond of Star Trek. We’d bet good money most of ...

Even if you’re a safe and attentive driver, you still run the risk of getting a ticket in spots where a speed limit abruptly changes. A radar detector serves as a second set of eyes—a vigilant copilot ...

Lindsay Clancy Holdout Juror Claims 'Everybody' Had Cellphones During Tense Deliberations Before Mistrial: Devices 'Weren't Taken Away' Jurors are commonly not allowed to have cellphones during ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

September 18, 2026 • Cubans are living through near-constant blackouts after an executive order that called the Cuban government an “unusual and extraordinary threat” to U.S. national security and ...

You may not know about the third CPU core on your chip, but it's highly useful ...

On the ESP32 subreddit, Internal-Chard-8406 posted a video of their project. It runs off a Waveshare ESP32-S3 board alongside ...

This week, Hackaday Editors Elliot Williams and Al Williams had a lot to talk about. From advice for a young hacker to using a laser to break into a microcontroller, there was plenty to cover from ...