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

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, ...

Without any delays, here are the best Phones with Ultrasonic Fingerprint Sensors (April 2026) that make the cut: ...

Well, this might just be a Hackaday first. Certainly not the circuit sculpture part, nor the wearable aspect, but the ...