Transistors are tiny electronic components that act as switches and amplifiers, and they dwell at the heart of modern technology. In simple terms, a transistor can turn a flow of electricity on or off ...

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We’re surrounded by transistors. They’re all around us. They’re in phones, car keys, microwaves, pacemakers and plenty more. The transistor is a revolutionary piece of technology that helped create ...

A Planet Analog article, “2N3904: Why use a 60-year-old transistor?” by Bill Schweber, inspired some interest in this old transistor and how it’s commonly used, and if any uncommon uses might exist.