#garfield Logs

May 05 2020

12:20 AM rue_mohr: yes!
12:25 AM rue_mohr: I got an oscillator working to drive a transformer
12:25 AM rue_mohr: the oscillator and the transformer driver are the same ciruit
01:13 AM polprog: aandrew: mine uses 2x12cm thich plywood for the top
01:14 AM polprog: ive also added an l-shaped slat for the siding, prevents small stuff from falling off
05:11 AM polprog: rue_mohr: https://polprog.net/rozne1/ircjunk/various/russian_VFD.jpg
08:07 AM aandrew: polprog: you've got a raised "rim" around the bench top?
08:08 AM polprog: yeah
08:09 AM polprog: its a woodern bench with cork on top (still not sure what to do with that - it deteriorates pretty quickly.. and the antistatic mat still stinks)
08:09 AM polprog: https://i.ibb.co/6BBJdpf/IMG-20200505-150745.jpg
08:35 AM rue_mohr: ah clock, yes
08:37 AM polprog: https://polprog.net/rozne1/ircjunk/various/curvetracer.jpg
08:39 AM polprog: and the mystery device is probably a germanium diode..
08:53 AM rue_mohr: :)
09:28 AM rue_mohr: polprog, I think your right amp is connected to the left amp in the wrong place, I think you really have it on the - pin
09:32 AM rue_mohr: http://ruemohr.org/~ircjunk/tempimage/p1150987.jpg
09:33 AM rue_mohr: the simplest design uses an AC transformer :)
09:34 AM rue_mohr: if you take them both off ground, your current causes error in your voltage measurement :)
11:55 AM aandrew: polprog: i disemboweled an old VCR when I was a kid and make an alarm clock from the display much like that. Brings back some very fond memories
02:24 PM polprog: haha, nice
02:25 PM polprog: rue_mohr: hmm, you may be right
02:25 PM polprog: that was supposed to be a rc relax osc and a follower
02:25 PM polprog: but im too tired to think about it
02:25 PM polprog: just finished a 3 h lecture+lab stream for kids
05:44 PM Tom_itx is now known as Tom_L
06:00 PM Tom_L: https://www.youtube.com/watch?v=YEBAWhfNEB8
06:02 PM polprog: rofl
06:48 PM rue_mohr: hahhaha
07:08 PM zhanx: so one time at interview camp today at 0830
07:08 PM zhanx: i was given a "math" test
07:08 PM zhanx: 3 pages
07:08 PM rue_mohr: k
07:08 PM zhanx: I was done before the HR rep finished the instructions
07:08 PM rue_mohr: (6*4)+7/2
07:08 PM rue_mohr: ?
07:08 PM rue_mohr: or real math
07:09 PM zhanx: that crap
07:09 PM rue_mohr: hah
07:09 PM rue_mohr: so it was just an idiot filter
07:09 PM zhanx: she was like droning on
07:09 PM zhanx: I tried 3 times to stop her
07:09 PM rue_mohr: about what???
07:09 PM zhanx: no calculators etc
07:09 PM zhanx: i was like umm i am done
11:48 PM rue_mohr: awe drat, one of the people I know from way back msg'd me and then logged off!