It is rare that an integrated circuit stays on the market for 25 years. And it is surprising that, except for a CMOS derivative, the 555 timer has never been updated. It has been shrunk somewhat, but ...

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

The 555 timer IC remains iconic and widely used. Let's explore its enduring appeal through simple, fully tested 555 projects. No programming required!

The most compelling and simplest chaotic circuits have always been technical challenges. Here we report an inductor-less 555 timer chaotic circuit, combined with two resistors and two capacitors, ...

design digital hardware electronics clock logic pcb circuit ttl 555-timer 74hc4511 pcb-design 74hc open-hw Updated on Oct 1, 2022 ...