Hing Hon EK-001

[jamiewoody]

hmmm.....i'm in white noise heaven!  sines, sines, everywhere there's sines!


i think i actually like the resonant noise, and how it can be manipulated by different controls i installed BETTER than playing the keys  on this thing!!!

[jamiewoody]

there needs to be a 12 step program thread...i think i am addicted to this thing! hours of fun!!!

[jamiewoody]

OMG!!!

i discovered something really cool! if you take five wires loose, and one by one, touch them to another wire (intact), this unlocks a pandora's box ot glitch tones!

so, patchbay here i come! (just trying to plan where to put the patchbay!).

[jamiewoody]

okay, i now have a 6 point patchbay on this baby! 

there is no limit to the noise this will now make!

i LOVE these keyboards! casio has NOTHING on hing hon!

i am enjoying this so much, i am ALREADY looking forward to my next one!

i'd love to build one of these from ground up...to find an original kit. i doubt they make them anymore?

[jamiewoody]

hard to find those kits...discontinued.


however, i did find this...similar? this model requires 6 AA batteries. my hing hon has 4. that is the only difference i could find.

http://www.kitsusa.net/phpstore/html/AMERIKIT-AK-900-ELECTRONIC-KEYBOARD-KIT-non-solder-version-1075.html

[badbarcode]

hi

I bent an ek001 myself but i didn't find the way to make it glitch...
could you explain how did you menage to build the patch bay?

thanks!

[jamiewoody]

patchbay:

i found 5 different colour wires. one accidentally came loose. i touched this wire on the other ones, it unlocked the door to glitch heaven!

the wires are located close to the controls for the voices....(piano, guitar, etc), and if i am not mistaken, control these. but, because of the short circuit, this sounds much cooler than the intended voices!

so, rca jacks, one per wire. i think i poked around and found some other bends for the remaining jacks.

[badbarcode]

i'm also very curious about the power crash
where did you add the pot?

[jamiewoody]

i think i got my terminology mixed up, sorry. i am not sure what that control is, really. it makes it more glitchy and distorted. if you go too much counter-clockwise, the keyboard just stops.

sounds cool though! ;-)

[circusmusic]

Just bought a Hing Hon EK-001 on a fleemarket for cheap.

I found two resistors for pitch- clock......is that correct? or is it just one that is really usable?

I am new to heavy  circuitbending....can I just try all connections (including the contact-points of the black IC-blob)
without any danger ? or do I have to be very carefull with the IC? can I  kill the keyboard easy?

[circusmusic]

one of the resistors works like a LFP-depth for the vibrato! nice!

the other one is for pitch (clock).....but I want to have it going much much lower. I tried a 2 M potmeter, bnut even then it don't ahs the range I want.

high is ok, but for extreme low pitches I need maybe 100 M pots...is that normal?

[electri-fire]

On the "hold multiple sound buttons" subject

Quote
I wonder if there could be some sort of patch bay built for this, or a way to make the switches STAY on?

I paralleled each sound select button with a spdp switch as can be seen here:
http://www.electri-fire.com/bartsmit.htm

My Hing Hon EK-001's all had black blob circuits, I didn't even know there were versions with proper IC's. It makes no difference to their bendability, all connections are available at the Black Blob version as well.  For this subject I adhere to the pin numbers from the elenco manual.  On the blob versions you can trace the connections to the onboard switches easily. Many useful connections have jumper wires that you can connect to.
http://manuals.elenco.com/manuals/ak-900.pdf

Useful pins for a patchbay: Switch matrix pins 1-2-3-4-5-6-7-66-67-68 

Making a patchbay for "sound inter-mangle"  would connect to pins 4-5-6-7 , patching them among themselves and to pin 1 and 68.
Remote change of rhythms:  pins 4-5-6-7 to pin 66 and 67.
Rhythm pattern bends might include stop (pin 3 to 1)  and start (pin 3 to 68)
Pin 2 to 4-5-6-7 gets single drum hits.
Also useful for rhythm bends pin 53 (tempo LED out).  To connect to single drumhits, CMOS switch control, or to the envelope part of the signal with a depth pot, between R21 and R22 maybe.  The tempo LED out is active LOW. May need an invertor for some applications.
In fact any signal could be added to the envelope signal, giving AM ringmod like effects with audio frequencies.

I'm into building CMOS circuits (or Lunetta's) nowadays. Lunetta's may include use of CMOS switches (like CD4016, 4066) or line selectors,aka multiplexors, (like CD 4051, 4052, 4053).

With these switches or multiplexers controlled by sequencers, CMOS logic or LFO's,  bends can be sequenced, randomized or (indeed, you guessed it) LFO'ed.

I recommend the Lunetta forum at: http://electro-music.com/forum/index.php?f=160
(in fact they got me linked to to this forum again, hadn't seen it for quite a while)

I need some time to digest this. So:
Disclaimer:  untried ideas sparked by the elenco manual. Wich ne7 (Dayglo Volunteer of International Masturbation) posted. Very inspiring. I must confess I prefer knowledge over "Bender's Illogic". Thank you lots.
 

[electri-fire]

Quote jamiewoody:
If you take five wires loose, and one by one, touch them to another wire (intact), this unlocks a pandora's box ot glitch tones!

I think these wires must be a selection of pins 4-5-6-7-1-67-68.  These jumper wires are not connected to anything if no button is pressed. There's no need to unsolder wires, you can solder an extra wire onto the jumpers and connect those.  In fact, leaving them in place retains their original function and they gain an extra bend function when you patch wires together.

[jamiewoody]

interesting, thanks electri-fire. i may go back and reconnect them while also keeping them connected to the patch bay.

[electri-fire]

jamiewoody: Did you notice onboard buttons not working anymore with jumpers disconnected?