Ultrasonics refers to signals that are above the human hearing span (>20 kHz), and usually in the 40- to 70-kHz range. These signals are used like radar—they’re radiated toward a target and reflected ...

The Korea Research Institute of Standards and Science (KRISS) has developed an ultrasonic sensor technology that applies a ...

In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Many cultures explore the idea of a figurative third eye that enhances perception. For autonomous vehicles, the concept is ...

If you're savvy and want to do a bit more home monitoring, these interesting sensor ideas might be worth trying.

Autonomous vehicles (AVs) are becoming increasingly common on roadways, but making them as safe as possible may entail going beyond the particular specs of the vehicles themselves to upgrading the ...

GHz phased array radar system featuring Pulse Linear Frequency Modulated (LFM) modulation and based on an AMD Artix-7 FPGA. Two versions are available: the AERIS-10N (Nexus), providing up to 3km range ...

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

Not too long ago, the US saw a dramatic surge in catalytic converter thefts, with criminals crawling under cars in broad daylight. Now, some thieves have started targeting the expensive radar systems ...

The Pentagon and Anthropic are in a standoff over usage of Claude The AI model was reportedly used to capture Nicolás Maduro Anthropic refuses to let its models be used in "fully autonomous weapons ...

When rain hits the region, NBC 7's First Alert team of meteorologists tracks the storm to bring you the most accurate weather forecast in San Diego County. Use the First Alert Doppler 7 Radar below to ...