Single NPN transistor LED strobe flasher circuit

Following is a schematic diagram that I made of a well known pulse generator circuit.

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Single NPN Bipolar Junction Transistor LED flasher circuit updated diagram learning electronics

I love these low priced oscilloscopes for learning electronics.

Single NPN Bipolar Junction Transistor LED Flasher Circuit schematic diagram
Single NPN Bipolar Junction Transistor LED Flasher Circuit schematic diagram

Extra videos looking at and modifying this circuit

Following is some YouTube videos that I made about this circuit and variations to it. Please subscribe to my YouTube channel and look for videos you may enjoy! Here’s the link https://www.youtube.com/electronzap/videos

Single 2N2222 NPN bipolar junction transistor BJT LED flasher circuit with diagram again.

One 2N2222 LED flashing strobe circuit modified with 120 ohm collector resistor and 5K trimpot tests.

Single 2N2222 NPN BJT flash strobe LED circuit oscilloscope measured with different color LEDs.

Shocking amount of single 2N2222 LED strobe flasher electronics circuit current flow with blooper.


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