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 ...

Today I learned that WiFi and Bluetooth LE could NOT be used simultaneously on Arduino boards featuring the ESP32-based u-blox NINA-W102 wireless module, ...

When automating your smart home, much of the attention centers on cameras and lights, but I believe HomeKit door sensors are arguably among the most critical devices to add to your setup. I’ve written ...

Samsung is set to finally unveil the Galaxy S26 series next week at the Galaxy Unpacked event in San Francisco. Just days before the announcement, a tipster has shared new details about the Galaxy S26 ...

In November, scientists arrived at the South Pole in planes outfitted with skis to pull off a construction project seven years in the making. They had a short summer window — November to early ...

A compensated Pt100 RTD circuit has 1 mV/°C DMM output, with linearization via positive feedback, pending Part 2 ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Learn how to sew a DIY kitchen boa (or kitchen scarf) with a towel. This kitchen sewing project is so useful and makes a great handmade gift. Do you wish you had a towel always nearby when cooking or ...

Provide participants with the basic knowledge to calibrate, test and maintain both detection and spectroscopic radiation detection handheld equipment used in nuclear security for material out of ...