A very basic 555 timer-based PCB where pressing a button activates an LED. Submission to HackClub Solder YSWS ...

This is a simple LED driver circuit using two 555s and a pair of NPN/PNP transistors to drive several LEDs meant to outline a small sign. Designed with my son for a St Patrick's Day project, in KiCAD.

Flickering LED tea lights are a friendly and safe alternative to having flaming little pots of wax situated around your home, but sometimes the flicker scheme leaves something to be desired.

A flip-flop in digital electronics is formally defined as "A bistable device with synchronous input ...

These microcontroller based projects are covered with detailed explanation of working of hardware, circuit diagrams, software and codes.