RE: [Doepfer_a100] Manual Trigger/Thru DIY project
2003-05-09 by David Salter
Eric, very nice work, and useful too. Not being that up on electronics, any chance of a schematic? Or maybe you fancy making a few and selling them? Regards David Salter Tel: +44 20 7542 2402 Mob: +44 7990562402 Fax: +44 20 7542 2699
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-----Original Message-----
From: Quantum Productions [mailto:quantumproductions@planet.nl]
Sent: 09 May 2003 13:16
To: Doepfer_a100@yahoogroups.com
Subject: [Doepfer_a100] Manual Trigger/Thru DIY project
Hi all
Just wanted to let you know that I just finished one of my do it
yourself
modules for the A-100
this one is a 'Manual Trigger / Thru' module
This module has 6 sections, of which 4 are a manual trigger/thru
(top
section) and 2 are a manual trigger only (bottom section)
** Manual Trigger/thru
has a INput, a manual momentary pushbutton and an OUTput
if nothing is connected to the input, the output gives a +5V
trigger each
time the manual button is pushed (and as long as it is pushed,
so it can
operate as a gate as well)
if there is something connected to the input, the output gets
the throughput
of this each time (and as long as) the manual button is pushed
** Manual Trigger
this only has the push button and the OUTput, as soon as you
press the
button the output gives a +5V trigger
usually you connect another trigger/gate/clock source to the
INput of the
Manual trigger/thru, to enable this to be throughput with the
button
what do I do with this module?
well, it is not a revolutionary design or high risk DIY project,
but for me
it is quite an invaluable tool
because I can produce (max) 6 triggers manually, with which I
can start
Envelopes, start/stop or clock the sequencer, switch a VC-Switch
or
Sequential Clock, trigger a next sample/hold, reset an LFO,
switch from one
sequencer to another (by means of a VCS or Seq switch) etc etc
this means that I can start, change or stop all kind of sound
effects and
patterns with only a couple of pushes on buttons, and I don't
need any
keyboard (which I would like to keep for the usual playing)
at this moment it can only be mounted in a rack with the +5V
power source
(such as the basic system with midi) I do take the +5V from the
bus directly
but I will expand the module with a simple circuit to create a
+5V source
from the standard +12 V power
at the yahoo A100 site, I have put a couple of pictures of this
module, in
the Photo Albums section in the album called Manual Trig/Thru
you can identify the Manual Trig/Thru sections (IN-red
pushbutton-OUT) and
the Manual Trig sections (black pushbutton-OUT) easily
if you want to know more about this project, please don't
hesitate to ask
more projects are in preparation
Eric
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