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Paradigm X
Joined: Feb 15, 2011 Posts: 363 Location: Null and void
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Posted: Wed Nov 04, 2015 3:44 am Post subject:
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ooh, interesting, are you making any to sell? Im just looking for a gate sequencer as it happens.
Cheers |
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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piedwagtail
Joined: Apr 15, 2006 Posts: 297 Location: shoreditch
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Posted: Thu Jan 14, 2016 9:10 am Post subject:
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That's an ON-ON switch.
The design was for ON-OFF-ON.
Loop-rest-gate, which is the brilliance of the idea, all on one control.
R Last edited by piedwagtail on Thu Jan 14, 2016 9:18 am; edited 1 time in total |
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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PHOBoS
Joined: Jan 14, 2010 Posts: 5591 Location: Moon Base
Audio files: 705
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Posted: Thu Jan 14, 2016 9:16 am Post subject:
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That's great! I am thinking of making some PCBs for it, so now I don't have to redraw the schematic in eagle myself
Those would probably be double sided though (costs are the same if I have them made) and for DIY single sided is much
easier so it would be nice to have that option too.
Not sure about the switches, round is an advantage since it sucks to make square holes and I like the short levers,
but switches with some thread on it would make it possible to mount them to a panel without having to add some extra
mounting holes. Having them at and angle is also good to save panel space in case the PCB gets a bit large which can
easily happen with CMOS and a single sided PCB.
ow and I must have missed the nice PCBs piedwagtail made, those look great!
edit: ah those are ON-ON switches, yeah that doesn't work. _________________ "My perf, it's full of holes!"
http://phobos.000space.com/
SoundCloud BandCamp MixCloud Stickney Synthyards Captain Collider Twitch YouTube |
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piedwagtail
Joined: Apr 15, 2006 Posts: 297 Location: shoreditch
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Posted: Thu Jan 14, 2016 9:24 am Post subject:
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I've had great difficulties sourcing the slide switches in any quantity.
It rather put me off offering them and as you say the panel hole is a much easier option to plan for.
Yes, those switches are the ones, from a quick glance.
R |
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Paradigm X
Joined: Feb 15, 2011 Posts: 363 Location: Null and void
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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Posted: Thu Jan 14, 2016 9:40 am Post subject:
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I would also prefer threaded switches for panel mounting, but I haven't seen threaded vertical right angle under $6. I'm thinking I can get 10 of these with a threaded 3.5 jack on each end in the height of a euro panel. (The two jacks would hold the PCB)
clkIn-1-2-3-4-5-6-7-8-9-10-Out
Then a daughterboard with the other jack and switches...
onoffSw-loopSw-resetIn-shortlogSw Last edited by jbeuckm on Thu Jan 14, 2016 11:10 am; edited 1 time in total |
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piedwagtail
Joined: Apr 15, 2006 Posts: 297 Location: shoreditch
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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Posted: Thu Jan 14, 2016 10:15 am Post subject:
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Thanks - that is very attractive! |
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PHOBoS
Joined: Jan 14, 2010 Posts: 5591 Location: Moon Base
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piedwagtail
Joined: Apr 15, 2006 Posts: 297 Location: shoreditch
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Posted: Thu Jan 14, 2016 4:41 pm Post subject:
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Use a dpdt on-off-on, stick rail to centre and led plus resistance on gate position.
High brightness leds require 22k or so, the camera up close makes them look bright but it's soft enough.
You could do last step on the loop side but I felt the run leds return was sufficient for that.
Use bussed SIL networked resistors for your droppers. I used 9 way ten pin with an extra resistor for those reds. Saves pcb space.
Toggles are so expensive but the play against availability, price and panel problems with slides it's an annoying call. In the end, I didn't want to pay a >$ a switch; I felt multiple PHOBian Little Gate sequencers was the way to go.
R |
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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AlanP
Joined: Mar 11, 2014 Posts: 746 Location: New Zealand
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Posted: Thu Jan 14, 2016 9:46 pm Post subject:
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Working on a gate sequencer layout myself at the moment, based on Fonik's Baby Ten -- mine has two parallel tracks, one with on-none-on switches (for gate on/off), and one with on-off-on, for gate on, gate off, and reset (saves bothering with a rotary, or patching a reset in, or similar.) The 4017 outputs have transistor buffers hanging off them for reinforcement.
Haven't submitted it for fab, yet. It's a two pcb set, due to the amount of stuff on the switch board. |
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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AlanP
Joined: Mar 11, 2014 Posts: 746 Location: New Zealand
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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PHOBoS
Joined: Jan 14, 2010 Posts: 5591 Location: Moon Base
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AlanP
Joined: Mar 11, 2014 Posts: 746 Location: New Zealand
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Posted: Wed Jan 27, 2016 9:37 pm Post subject:
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From the look of it they're a millimeter or two off.
Any reason why the wire jumpers are left long?
Other than that, looks like a useful module |
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piedwagtail
Joined: Apr 15, 2006 Posts: 297 Location: shoreditch
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Posted: Thu Jan 28, 2016 1:08 am Post subject:
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I see the jacks as holding the pcb, the switches are threadless and would therefore poke out less. Nice idea.
but I'm confused by the output led being perpendicular which suggests a slim desktop enclosure with the unfitted step leds...except the eurorack power port is....
Internal wires I like to use screw terminals 3.81 or 5.08 to allow the pcb to be removed from a panel without having to desolder or de-attach everything. I blame Ken Stone for making me hate soldered up panels.
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LFLab
Joined: Dec 17, 2009 Posts: 497 Location: Rosmalen, Netherlands
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Posted: Thu Jan 28, 2016 7:55 am Post subject:
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piedwagtail wrote: | .... I blame Ken Stone for making me hate soldered up panels. ... |
+1, working on a version of the serge resonant eq with 9mm board mount Alpha potmeters |
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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piedwagtail
Joined: Apr 15, 2006 Posts: 297 Location: shoreditch
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Posted: Thu Jan 28, 2016 3:23 pm Post subject:
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If there's a problem with space under the switches, you can do away with holes and etch small pads as if the leds were SMT.
This is what I did for the first time with this design; there was too little space under the switches to have through holes and solder, so I placed a hole for one end of the 1n4148s and a pad at the other; worked fine.
Since the panel hole will hold the led body this is an option you have.
pioneering THSMT!
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jbeuckm
Joined: Nov 30, 2008 Posts: 165 Location: Stockholm
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Posted: Thu Jan 28, 2016 8:17 pm Post subject:
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THSMT -- I like it! I'll try this soon.
An approximate measurement for the jacks vs switches:
erthenvar 3.5mm jack: center 5.5mm above PCB
jameco switch: center 6.2mm above PCB |
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