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

[Bob] has been busy lately putting the finishing touches on three different projects that he plans on entering into the 555 Design Contest. His first entry is a low-power H-bridge, which can be use… ...

[R-B] designed a 555 timer circuit to scan a keypad. Keypads are common interfaces for small projects and require row and column scanning by a microcontroller. [R-B’s] setup allows you to red… ...

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

If you survive… look forward to more unreleased 555 timer projects from me, such as: A 555 timer-based human heart pacemaker ; A 555 timer for a spinal-cord RC-controlled rabbit ...

555 Timer PRO from Schematica.com provides an array of design wizards, circuit blocks and information panels that facilitate the use of the 555 timer in projects. 555 Timer PRO and 555 Timer PRO EX ...

Chris Gammell from the blog The amp hour and Analog Life is running a 555 timer IC design contest.EDN’s Mike Demler wrote it up on his blog yesterday.So Mike or Chris asked me to do a mention on ...

He used a 555 timer that outputs a clock to the LEDs on the biz card, and placing a nine-volt battery on the terminals sets off the mini light show. See for yourself in the video below.

Hans Camenzind is well known for the design of the 555 timer, but he accomplished much more in his lifetime. A restless entrepreneur, he was constantly looking for the next project that would keep ...