modified 10 years ago

When you switch on the circuit please wait several seconds and then...

00:47:47

They must be switch on and switch off forever.

published 10 years ago

tigranhovhannisyan

10 years ago

Please wait for some seconds and then they can blink.

tigranhovhannisyan

10 years ago

The capacitors are 10micro farads . If you change one of these to 20 or another and then change also 10 . They can already blink . But I couldn't understand why they are not blinking at first

xl100

10 years ago

You just need to shake your phone to get it to flash flashing.

lenzrulz

10 years ago

Or you can connect a SPST switch between the emitter and ground.

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