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 Forum index » DIY Hardware and Software » Stickney Synthyards
Stickney Synthyards L0F1 series
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PHOBoS



Joined: Jan 14, 2010
Posts: 5591
Location: Moon Base
Audio files: 705

PostPosted: Mon May 08, 2017 1:53 pm    Post subject: Stickney Synthyards L0F1 series
Subject description: L0F1 synthesizer modules
Reply with quote  Mark this post and the followings unread

I am working on some L0F1 synth modules and finished the first two. Well, ok I finished one completely and for the other one I still need
a frontpanel but I am out of blank panels. However, it is all soldered up, tested and working Cool


The first module is Bark or Bleat.

Bark or Bleat is a synthesizer module of the Stickney Synthyards L0F1 series which uses a soundchip that produces a dog or sheep
sound (depending on the installed chip). This is a very lo-fi sound and it might need some imagination to recognize the sounds as such.

To trigger this sound it has a manual control by means of a pushbutton and an input for an external gate or trigger signal. The duration of
the sound can be controlled with two manual controls and/or an external control voltage.

It has 3 different modes which can be selected with a switch (SW2):
1) TRIGGER (switch in center position): after receiving a trigger/gate signal the sound plays for the duration set with the RANGE, OFFSET
and/or LEVEL controls.
2) GATE (switch in up position): Similar to the TRIGGER mode but if the gate signal is longer than the set duration it will keep playing for
the length of the gate signal. (Note: the sound repeats for a maximum of 3x and then stops even if the gate time is longer)
3: CYCLE (switch in down position): The sound plays for the set duration and repeats this indefinitely.

In TRIGGER/GATE mode the GATE and /GATE outputs can be used in conjunction with the CV input to use the module as a gate to trigger
converter with voltage controlled gate length. In CYCLE mode the GATE and /GATE outputs can be used in conjunction with the CV input
to use the module as a voltage controlled LFO.

This module has 2 inputs: The CV input, for which any voltage can be used as long as it doesn't exceed the supply voltage and a
gate/trigger input which works from about +2.5V up to the supply voltage.

This module has 3 outputs: The main audio output, which has a level of 0..+5V. the GATE output, which is +5V for the duration that the
sound plays and the /GATE output which is +5V when the sound is not playing.

Sadly I was not able to control the pitch but with the adjustable gate length it is still a fun and useful module.
I also used this module for Psycho Sheep Chess with Buddha.
Some more info can be found at http://stickneysynthyards.000space.com/bark_or_bleat/

Here's a photo of the finished module and some sound samples.


Bark or Bleat module.jpg
 Description:
 Filesize:  147.57 KB
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This image has been reduced to fit the page. Click on it to enlarge.

Bark or Bleat module.jpg



Bark or Bleat - Bark (manual time sweep).wav
 Description:
Bark or Bleat demo 1: Bark in Cycle Mode, controlling the gate length manually.

Download
 Filename:  Bark or Bleat - Bark (manual time sweep).wav
 Filesize:  9.4 MB
 Downloaded:  1080 Time(s)


Bark or Bleat - Bleat (manual time sweep).wav
 Description:
Bark or Bleat demo 2: Bleat in Cycle Mode, controlling the gate length manually.

Download
 Filename:  Bark or Bleat - Bleat (manual time sweep).wav
 Filesize:  8.54 MB
 Downloaded:  1090 Time(s)


Bark or Bleat - Bark (contstant trigger random CV).wav
 Description:
Bark or Bleat demo 3: Bark in Trigger Mode, constant trigger and a random CV controlling the gate length.

Download
 Filename:  Bark or Bleat - Bark (contstant trigger random CV).wav
 Filesize:  6.4 MB
 Downloaded:  1078 Time(s)


Bark or Bleat - Bleat (contstant trigger random CV).wav
 Description:
Bark or Bleat demo 4: Bleat in Trigger Mode, constant trigger and a random CV controlling the gate length.

Download
 Filename:  Bark or Bleat - Bleat (contstant trigger random CV).wav
 Filesize:  6.4 MB
 Downloaded:  1089 Time(s)


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PHOBoS



Joined: Jan 14, 2010
Posts: 5591
Location: Moon Base
Audio files: 705

PostPosted: Mon May 08, 2017 1:59 pm    Post subject: Reply with quote  Mark this post and the followings unread

and here are the circuit diagrams and some photos of the soldered PCBs.


bob_schematic_CB.png
 Description:
Bark or Bleat circuit board schematic
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bob_schematic_CB.png



bob_schematic_IOB.png
 Description:
Bark or Bleat in/out board schematic
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bob_schematic_IOB.png



BoB V1.0 REV1.0 CB soldered.jpg
 Description:
Bark or Bleat - Circuit Board
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BoB V1.0 REV1.0 CB soldered.jpg



BoB V1.0 REV1.0 IOB soldered.jpg
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Bark or Bleat - In/Out Board
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BoB V1.0 REV1.0 IOB soldered.jpg



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PHOBoS



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Audio files: 705

PostPosted: Mon May 08, 2017 2:12 pm    Post subject: Reply with quote  Mark this post and the followings unread

The second module is Astro Alarm.

Astro Alarm is a synthesizer module of the Stickney Synthyards L0F1 series which uses a soundchip that produces 4 different alarm/siren
sounds. The sound is continuous and the pitch can be controlled both manually and with a control voltage, similar to a VCO.

The different alarm sounds can be selected manually with 2 switches (SW1, SW2) or with external gate signals in a binary fashion. Which
sound is selected is indicated by 4 LEDs.

[00] (SW1: up, SW2: up) ALARM A: increases and decreases slowly in pitch.
[10] (SW1: down, SW2: up) ALARM B: increases and decreases fast in pitch.
[01] (SW1: up, SW2: down) ALARM C: two tone sound.
[11] (SW1: down, SW2: down) ALARM D: fast intermittent sound.

This module has 3 inputs: The CV input, for which any voltage can be used as long as it doesn't exceed the supply voltage and the 2 select
inputs which work from about +1.5V up to the supply voltage.

This module has 1 output: The main audio output, which is a (modulated) square wave with a level of 0/5V.

Some more info (incl. more demos) can be found at http://stickneysynthyards.000space.com/astro_alarm/

So for this one I don't have a frontpanel yet but here are some photos of the soldered PCBs, the circuit diagrams and a demo.


AA V1.0 REV1.0 CB soldered.jpg
 Description:
Astro Alarm - Circuit Board
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AA V1.0 REV1.0 CB soldered.jpg



AA V1.0 REV1.0 IOB soldered.jpg
 Description:
Astro Alarm - In/Out Board
 Filesize:  185.17 KB
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AA V1.0 REV1.0 IOB soldered.jpg



aa_schematic_CB.png
 Description:
Astro Alarm circuit board schematic
 Filesize:  118.43 KB
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aa_schematic_CB.png



aa_schematic_IOB.png
 Description:
Astro Alarm in/out board schematic
 Filesize:  35.09 KB
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This image has been reduced to fit the page. Click on it to enlarge.

aa_schematic_IOB.png



Astro Alarm - random gates random CV and delay.wav
 Description:
Astro Alarm demo 5: Both select inputs controlled by random gates and the pitch/speed controlled by a random CV
I also added some delay for an extra spacey (no, not kevin) effect.

Download
 Filename:  Astro Alarm - random gates random CV and delay.wav
 Filesize:  10.09 MB
 Downloaded:  1068 Time(s)


_________________
"My perf, it's full of holes!"
http://phobos.000space.com/
SoundCloud BandCamp MixCloud Stickney Synthyards Captain Collider Twitch YouTube

Last edited by PHOBoS on Mon May 08, 2017 2:27 pm; edited 1 time in total
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PHOBoS



Joined: Jan 14, 2010
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Location: Moon Base
Audio files: 705

PostPosted: Mon May 08, 2017 2:22 pm    Post subject: Reply with quote  Mark this post and the followings unread

For both these modules I made some small kits available for €10,- each at the Stickney Synthyards Shop.
These include the PCB set and all the components needed for the Circuit Board. They don't include pots, sockets, LEDs, switches*.

I don't have frontpanels for them although I could have some made. But I have to order at least 20 (of each) at a time to
make it cost effective which is quite an investment for me, so I can only do that if there is enough interest. This might also
be the only run of these PCBs that I do (again depending on interest) so if you really want one this might be your only chance Wink


*(Bark or Bleat kit includes the momentary button)

_________________
"My perf, it's full of holes!"
http://phobos.000space.com/
SoundCloud BandCamp MixCloud Stickney Synthyards Captain Collider Twitch YouTube
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RingMad



Joined: Jan 15, 2011
Posts: 427
Location: Montreal, Canada
Audio files: 4

PostPosted: Wed May 10, 2017 12:35 pm    Post subject: Reply with quote  Mark this post and the followings unread

Hahahaha! Bark or Bleat is hilarious! Maybe you could invent more circuits with pseudo-animals sounds... Ducks? Elephant Talk? Whales?

.:James:.
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