All schematics in KiCad format:
All schematics, PCBs, bills of materials in PDF format:
09/05/2011
Updated to include external (optional) EEPROM memory.
elrules wrote:in the atmega programming cable, it shows four 220 ohm resistors. I built it with one 330 resistor and three 220. Does it matter?
6degrees wrote:Hi Dmitri,
Thanks for all the hard work. These look great
Just wanted to know if there is any reason not to use the 4851s without the BATs and resistors, instead of the 4051s for the analogue board (like Synthex used on the all-in-one)? If I use them would I need to make any modifications to the digital board?
I also noticed that a couple of component values changed since the previous version. In particular, I was curious about the following:
L1 was 1mH, now it's 1uH
R9 was 47k, now it's 330 ohm.
There were also a couple of small changes as well as some 100 ohm and 47k resistors removed.
Since I have already bought the components, I was wondering if these changes are correct/significant.
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