The 555 is a highly stable device for generating accurate time ... the timer is reset. When the timer starts, the relay turns ON. Hence the Common(COM) terminal of the relay is shorted to the Normally ...

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.

ST CATHERINE, Jamaica — Organisers of the 46th Western Relays are optimistic there will be outstanding performances at Saturday’s event set to get underway at GC Foster Sports College.

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Anyone can access the link you share with no account required. Learn more. In high school swimming meets, a relay race is worth double the points compared to an individual race. That’s why ...

He joins Shaquille O'Neal and Damian Lillard as basketball stars with chart hits. By Xander Zellner LiAngelo Ball is officially a Billboard Hot 100-charting artist, as his breakthrough viral hit ...

After packing a 2N3904 transistor, an LM386 amplifier, and every Hackaday reader’s favorite chip the 555 timer into an enclosure along with some of their closest friends, it was time to build ...

Building an automatic plant watering system is becoming increasingly popular among gardening enthusiasts and IoT hobbyists. This DIY automatic plant watering system project helps solve the common ...

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Protective Relay Training—This 12-hour live online instructor-led training course provides a comprehensive understanding of industrial, commercial, and institutional power system protection. Relay ...

A flip-flop in digital electronics is a circuit with two stable states that can be used to store binary data. The stored data can be changed by applying varying inputs. Flip-flops and latches are ...