Blinking led with only one transistor npn

Picture of Blinking led with only one transistor npn
This circuit allow to blink a led like a strobo light.
It works with just a few components, but it's very critical circuit, could not work with all npn transistor it will not work also under 10V.
Have fun! :)
more info at

biraj10021 month ago
Which leg is the arrow in the 3 legs I couldn't understand
suppamanIII (author)  biraj10021 month ago

You should check data sheet catalog



Get More Out of Instructables

Already have an Account?


PDF Downloads
As a Pro member, you will gain access to download any Instructable in the PDF format. You also have the ability to customize your PDF download.

Upgrade to Pro today!