MS-20 (LM-13700 version),Polivoks or EMS VCF on veroboard?
Hi Thelonious. So I made the "original" version with LP/HP, works very well. I would like the resonance oscillates. can you please share the board of the LP/HP?cheers,Isak E. Im interested too;)...
View Article4017 Baby Sequencer Stripboard
Did you "omit the green jumper" as noted in instruction #6? Basically you either 1) use a switch or 2) use the jumper (as shown) but not both.
View ArticleJapanese OOP electronics book LED-LDR VCA
Here is the Fritzing project, layout, original scan, etc. for a DUAL http://www.experimentalistsanonymous.com/diy/Schematics/OOP%20Japanese%20Electronics%20Book/LED-LDR-VCA.gif, made Mati Be, one of...
View ArticleD.G Walton`s Graphic Oscillator
You`re quite welcome.If it works correctly, please let us know.
View ArticleERIC ARCHER DIY LOWPASS VCF LAYOUT
I just did a test with a +/- 5V noise source and an oscilloscope. Although the amplitude isn't very large (±1 Vpp), you should be able to see the noise signal at pins 5, 9, 12, 8 of the LM13700 with...
View ArticleERIC ARCHER DIY LOWPASS VCF LAYOUT
Interesting, many thanks. I forgot you could fudge a HPF like like. Im deciding between this and the WASP filter. This is simpler, but the wasp does everything i want, including distortion. Cheers for...
View ArticleHelp with stripboard layout...
Please mates, anyone 808´s stripboard/veroboard ?? Thanks.
View ArticleCraig Anderton Hip Bass Drum PCB
I finished to build one and worked directly....I can confirm that thge layout is working is a simple but powerful and interesting bass drum...I already love it
View ArticleObesifier (Electronotes 87 Waveform Animator)
Multi Phase Waveform Animator circuit from http://electronotes.netfirms.com/ #87, by Bernie Hutchins , original layout by Scott Bernardi ,i just draw over it , there was mistake in original layout with...
View Article808 Cowbell Eagle Layout
I have a euro layout for the 808 cowbell that must be fairly close to working. If I press fingers to short the two oscillators to the output, I can hear and tune each. But I can not trigger any sound...
View Article808 Bass Drum Clone Eagle PCB & CNC Gcode
Snaper,The rimshort/clave is in the lower right part of page 9 here: http://privat.bahnhof.se/wb447909/dinsync/service_manuals/TR-808.pdfThere is a DPDT switch to change voices. It looks like the...
View Article808 Bass Drum Clone Eagle PCB & CNC Gcode
Man, you're hardcore!!!That means, you've made home etchable layouts for almost every voice cards???You have to blog about this :DAre those layouts on your github tested?I'm pretty sure I will build a...
View Article808 Handclap (almost there)
The simple noise envelope is working but the clackity clack is not happening. Help me debug!I substituted the BA6110 but did not build the current mirror as suggested here:...
View ArticleWhat's the story with this 909 Snare layout?
I found these mentioned in a thread about his Bass Drum clone. Are these known to work?www.bionicdimension.de/pics/diy/909_sd_schematic.png www.bionicdimension.de/pics/diy/909_sd_parts.png...
View Article808 Handclap (almost there)
Started to have a look at this one in Eagle, I used your schematic, but started to reroute to have all resistors lying down, a bit more compact, and adjustments for parts which I have in my bin.I'll...
View Article808 Handclap (almost there)
Thanks! I'm pretty excited to get home and flip C144... There are plenty of things to measure and try here.
View Article4017 Baby Sequencer Stripboard
OK so i have included a vid of the sequencer stepping and some pics, and some sounds. let me explain.So i use an RCA cable to go from the sequencer into the bleepy machine, then i use rca from the...
View ArticleCraig Anderton Hip Bass Drum PCB
You have a short somewhere. Use a meter with the power off to measure resistance (or use the continuity tester function if you have it) between -12V and ground and -12V and +12V. You very likely will...
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