This image released by PBS shows actor Laurence Fishburne, left, with Dr. Henry Louis Gates Jr., host of the series “Finding Your Roots." NEW YORK (AP) — For 11 seasons, Henry Louis Gates Jr ...

The LM555 timer (IC1) is configured as a monostable multivibrator that generates a pulse. This monostable output serves as the clock input for CD4033 (IC2). IC2 increments on every positive clock edge ...

Department of Electrical and Computer Engineering, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States ...

The maker, Rizwan's Ideas, made a video on DIY vacuum cleaner 3 years ago. A lot of people loved the original, but many wanted Wi-Fi and IoT features, so he decided to upgrade it with better tech and ...

A typical digital circuit can be designed using basic elements like Transistors, Logic Gates, Flip-Flops or even using complex elements like microcontrollers, microprocessors and other computing chips ...

You might expect a microcontroller to show up at this point, but [Matthew] went old school, and created his two alternating 500 Hz square waves with a 555 timer and a 74HC74D dual flip-flop.

If you’re not familiar with the 555 timer ... with the NOR gates typically under 2 ns and offering some of the fastest edges I have measured on CMOS logic. Since the RS latch provides two ...