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.

Cyborg cockroaches guided by ultraviolet light and motion feedback navigate obstacles autonomously, showing how noninvasive ...

This video explains how diodes function as directional components in electronic circuits. Diodes allow current to flow in ...

Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...

A unique mechanical design aspires to remove heat from this LED light bulb’s insides, but you still need to keep external ventilation in mind.

Researchers from the Hong Kong University of Science and Technology (HKUST) and Tongji University have developed FerroAI, a ...

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

Component Assembly from $2 at jlcpcb Not many talk about a redundancy power system in your airplane to save it from an ...

Explore benzene's transformative role in modern industry and its hidden health risks, revealing a complex legacy of ...

Such are the breadth of functions delivered by integrated circuits, it’s now rare to see a simple small-signal transistor project on these pages. But if you delve back into the roots of solid state ...