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 ...

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 ...

Recently, ‘Liquid crystal display (LCD) vs. organic light-emitting diode (OLED) display: who wins?’ has become a topic of heated debate. In this review, we perform a systematic and comparative study ...

Samsung unveils a Privacy Display filter at Unpacked. The filter protects screens from prying eyes and can be turned off as needed. The Galaxy S26 Ultra is the only ...

A newly released CIA document reveals a chilling blueprint to manipulate minds through covert drugging experiments. The report, added to the CIA's reading room in 2025, details the government's once ...

How often have you pulled out old MCU-based project that still works fine, but you have no idea where the original source ...

The costly conflict is accelerating a shift in weaponry the Pentagon has pursued for years by Brian Bennett by Chad de Guzman Kyle Grillot/Bloomberg—Getty Images by Ryan Cummings and Neale Mahoney ...

Ultra-big TVs get cheaper every year. Many 75-inch and larger models now cost what 50-inch TVs did just a few years ago. Some of our picks for the best TVs are available in even bigger sizes. At the ...