Electronic Design

Simple Electronic Lock Uses Single-Transistor Circuit

A very simple but highly efficient combination lock circuit is shown in the figure. Any type of on/off switches can be used, varying from commercially available inexpensive types to more sophisticated ...
EDN

Unusual 2N3904 transistor circuit

A Planet Analog article, “ 2N3904: Why use a 60-year-old transistor? ” by Bill Schweber, inspired some interest in this old ...
PBS

Lesson 4

In this lesson, students build two circuits and explore how transistors function. When Bell Labs introduced the transistor in June of 1948, a spokesman proudly announced "This cylindrical object . . .
Hackaday

Won’t Somebody, Please, Think Of The Transistors!

At what age did you begin learning about electronics? What was the state of the art available to you at the time and what kinds of things were you building? For each reader these answers can be wildly ...
Elektor Magazine

Digital Logic Design: An Introduction

From simple transistors to complex systems, this article explains the building blocks of digital logic design. Learn how ...
Ars Technica

Building “bottom-up” circuits using nanowires

The circuitry we rely on today comes from what could be considered a top-down approach, with the wiring completely laid out before it's etched into silicon. With the advent of nanotechnology, however, ...