These are my personal build notes for the CFOGs Video Equations synth.
Its a video synth that uses mathematics to produce the graphics.
It was designed by Robert Jordan.
The build was quite easy .. just a few hours.
Ed of Elk Elektroniks supplied all the parts so attending the workshops is a easy
way to build them.
But if you don't live close to Wollongong Australia then you can order them online.
CFOGs is based in Melbourne Australia.
+ official BOM and BUILD GUIDE:
https://github.com/cfoge/Video_EQ
https://github.com/cfoge/Video_EQ
I like to start with the lowest profile components ..
in this case the diodes
These are 5V zener diodes. There are 14 of them.
Resistors next. Start with the 100ohm ones ... there are 20 of these.
...I think this is LSD
IC headers Next
...I've installed the 5mHz Crystal and the push button switches.
The yellow components on the left are Resistor Arrays
The jacks on the right are CV inputs.
Add the 2 Caps, the power input jack & the voltage regulators
+ Voltage regulators (series)
The rear of the PCB:
Pots, & LEDs
The finished product
The 8pin IC with a "N" is the EPROM
EPROM (erasable programmable read-only memory) is programmable read-only memory (programmable ROM) that can be erased and re-used.
The KIT was supplied with two. One marked with a N, the other with a P.
N = NTSC
P= Pal
The 16 pined IC on the right is a Analog to Digital converter:
579-MCP3208CIP
The big chip in the centre is a 32-bit microcontroller
P8X32A-D40
I'm using a DC 9V supply
Centre -ve
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ReplyDeleteNice work!
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