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555ic 2nd oscilator

PostPosted: Fri Jun 16, 2017 7:48 am
by bwob
hello,
I am having troubles getting the 555ic 2nd oscilator http://www.werkstattworkshop.com/?q=projects/555-ic-2nd-oscillator to work. Followed the exact procedure, right parts double checked everything, checked timer. But it still doesn't work. Anyone managed to make it work or encountered the same problem?

thanks already!

Re: 555ic 2nd oscilator

PostPosted: Mon Jun 19, 2017 5:23 am
by bwob
the tutorial seems faulty. learned first how to make a astable 555 timer circuit. seams they forgot to connect pin2 to pin6 in the tutorial, don't know why, but it is working if you connect them.