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 ...

LG Display is mass-producing laptop screens that automatically change their refresh rate from 1 Hz to up to 120 Hz, based on what’s on-screen, it announced this week. The display supplier said that it ...

Just one more nail in the coffin: the B251 uses an external power brick. The monitor isn't small overall, nor thin by any means, and it only needs 60 watts. Relying on a desk-cluttering external power ...

In this video I've created a device that can notify in real time about events that happen on a website. The project uses NodeMCU board and a buzzer to produce sound as alert. The board is programmed ...

In this episode of You Asked, we tackle viewer questions about using the LG C4 as a PC monitor in 2026, fixing greyed-out picture settings on Samsung TVs, getting the best performance out of the TCL ...

This system scans for signs of potential suicide, school shootings, and bullying on district devices and accounts. Monitoring extends to district accounts logged into on personal devices, raising ...

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 ...

The US and Israel’s air strikes against Iran, supported by electronic and cyber capabilities, serve as a “wake-up call” for China’s intelligence strategy and its military’s approach to deploying ...