In modern homes, apartments, and offices, multiple entrance doors are common. Traditionally, each door requires a separate doorbell, which increases cost and ...

In the late 1980s and 1990s, the Game Boy redefined handheld entertainment. With its chunky buttons, monochrome screen, and ...

Ebay and Amazon are awash with ‘isolated’ boards that convert pwm to 0-10V analogue, but they appear to be isolated in the sense that they an break an earth loop – great for machine control problem ...

Here is a close look at the common- versus differential-mode voltage and instrumentation amplifier (IA) topologies.

This project gives a whole new meaning to DIY PC. We don’t know how capable you were as a teenager, but could you have ...

Using single-cell RNA sequencing and genetic screening, the researchers identified key surface proteins that mediate ...

Ionic cooling offers a fundamentally different approach: solid-state airflow driven by electrohydrodynamic (EHD) forces that ...

Cheng Lyu is the winner of the 2025 Eppendorf & Science Prize for Neurobiology for her work in understanding how neural circuits assemble with such ...

Beijing has taken countermeasures in response to the Dutch government’s actions Read more at The Business Times.

With a 4k1 collector resistor and 16mA drive into the led, the chosen (read ‘cheapest on ebay’) 6N135 is supposed to beat 1.5μs for both turn on and turn off, with typical figures of 90ns and 800ns.