• Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

blinking led

Not open for further replies.


Active Member

Look it up, either on this site (use Search) or the wider Web. Lots of LED flasher circuits out there.


Super Moderator
I would just use a simple 555 timer circuit, like this one:

That's probably the easiest way to do it. Only a few components are needed, and it's easy to put together. The rate of flash depends on the values of the components. I would start with a 10uF cap for C1, and 10K, 1K, and 1K for R1, R2, and R3 respectively. Run the whole thing off of a 9v battery.
Good luck!
Der Strom
Last edited:
Not open for further replies.

EE World Online Articles