I suggest picking up Texas Instruments LI-Ion backed SRAM from digi-key or Mouser. Should be in the documents in the file sections. This SRAM can retain it's...
Hi Glen, SRAM chips - the chips from an SK-5 should work for you but you'll need 2 of them. They will give you a 4x memory expansion in the SK- 1. You'll still...
This is a great circuit for the SK. It runs off +5V DC, so would suit the SK power supply nicely. Lots of waveforms to choose from. All you do is just hook it...
hi, thanks for the help, i don't suppose you could turn these schematics into something more 'user friendly' or so its easier to follow and maybe more specific...
The VCADRS looks very cool! Might this be a way to implement a cheap/compact (minimal parts) ADSR into the SK's? Two benefits I see; -VC ADSR inputs, so a...
It's just a generic op-amp in the circuit to boost the output level if needed. That whole extension circuit may not be necessary, depending on what you want to...
ok, so if i wasn't to include the extension circuit what should i do with those two wires going into in and the output? also could i use banana sockets instead...
You can get rid of the whole circuit that is attached to pin 5 of the PIC chip, just keep the 150 ohm resistor and LED. You then glue a light dependent...
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Howdy, Yes there is. I did not wire up the reset as in the book. I used the simplebattery disconnect method as Reed's way can fry the unit. Also, place a 100K,...
i just built it and removed the circuit from pin 5 but kept the LED and resistor and it doesn't seem to work, does anyone know how to fix it? thanks x...
Did you hook up potentiometers to the different CV inputs of the chip - eg."LFO freq CV 0-5V" - all of those inputs? You have to connect a pot to them, and...
yeah i had all that connected up, still doesn't work. this is what i have connected up: LFO freq to LFO freq pot LFO waveform to LFO waveform pot S&H to S&H...
Have you programmed the PIC chip? You have to burn the program into the chip with a PIC programmer. The program and all the other info can be downloaded from...
You don't have to paste it, just download the .hex file to your computer. You then have to set up your PIC burner and the burning software. Plug in your PIC...
i can't find where to download the hex file from, when i click 'Assembled HEX code from above file' it just comes up with a load of numbers and letters,...
hey, I have noticed people have bent SK-5s with a direct out jack for the pcm and sampler, and a seperate one for the drums? Just wondering if anybody knows...
Put your mouse on the link, then right mouse click on it. Select from the menu "save target as", then choose a folder on your computer to save the hex file to....
The SK5/8 direct drums out instructions are in the FILES section, in a folder called "SK-8 modifications". It's the same mod for the SK5. You'll find a folder...
I know about syncing the one-press-sequencer, but is there a way to sync the accompaniment on the SK1 (or indeed sk5)? none of the obvious solutions eg highly...
Hey guys, Do you know if the Slo-AD mod needs SMD capacitors to work properly, or can you use regular electrolytic caps? I have all the parts except for the...
The Slo-AD mod will work with normal electrolytic caps just fine - I originally used these when I was experimenting with the idea. I only went with the SMD's...
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