A timer-controlled doorbell device has been developed using two 555 timer ICs in monostable mode, combined with a relay ...

After a brief break, I found myself revisiting latching relays—not just as components, but as puzzles waiting to be solved.

The power conditioner provides high energy utilization by transferring energy from capacitor to capacitor simultaneously with the projectile movement. The modular construction of the barrel is ...

Coming from an IT background to an AM transmitter site might leave you with a world of questions. Mark Persons explains the ...

For as versatile and inexpensive as switch-mode power supplies are at all kinds of different tasks, they’re not always the ...

April Wilkerson builds a walnut table with breadboard end details and DIY tips. President Trump addresses the nation after US attacks three nuclear sites in Iran Why electricity prices are surging for ...

A Tesla dashcam captured the moment a "fireball" fell from the sky near Interstate 20 in Aiken, South Carolina. After 10 ...

Before YouTube, you had to watch your educational videos on film. In the 1970s, if you studied radio, you might have seen the video from Universal Education and Visual Arts, titled Understanding El… ...

A comparator-based switched-capacitor circuit (CBSC) technique is presented for the design of analog and mixed-signal circuits in scaled CMOS technologies. The technique involves replacing the ...