An electronic toggle ratchet relay is a specialised type of relay that, unlike standard relays, maintains its state (either on or off) even after the control signal is removed. It ‘latches’ into ...

Sometimes, the most unexpected detours lead to the most interesting discoveries. After a brief break, I found myself revisiting latching relays—not just as components, but as puzzles waiting to be ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Impulse relay is a viable alternative for lighting control from multiple locations. In modernistic houses and apartments, lighting schemes to control lights from two or more locations are becoming ...

Abstract: With the continuous shrink of CMOS technology node, the traditional latch circuit suffers from high power consumption owing to the increase of the static leakage current and faces severe ...

The venerable Stephen Woodward recently published the design idea (DI) “Flip ON flop OFF” that converts a momentary push button to a classic push-on, push-off switch. Figure 1 is an attempt to go ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

The code is used to run a push-button LED circuit. A pull-down resistor mechanism is used to turn on/off the LED with a push-button.

This article describes the basic installation of an RFID and password-based door access control system. Access control systems allow only authorized persons to enter or exit the premises. Access ...