Police light

269

04:16:42

This circuit generates square wave signal to 2 LEDs due to a combination between 2 BJTs and 2 Capacitors. :D

published 11 years ago

mukhtaar

11 years ago

Good 8)

tchkalov

11 years ago

Your multivibrator is absolutely symmetrical and it makes it difficult to start oscillations. Change a little one resistance, say, from 100 Ohm to 99 Ohm, to "push" the oscillations. ;-)

nncan99

11 years ago

Oh yeah. Thanks for your opinion. :D

Sine_eyed

11 years ago

If you're too impatient to wait 3 seconds for it to start oscillating, yes that's some good advice. But what about real life? Where to find components with oddball values like 99 ohms, or 70uF?..

tchkalov

11 years ago

This is just a simulation issue. In real life there is no two absolutely identical resistors neither transistors, etc. So, real multivibrator starts oscillations without such tricks :-)

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