Some build pics of the 204r.
These aren't official... just my working 'notes' to help trouble shoot.
It's not a Buchla Module, but should be compatible with most Buchla modules.
It follows the same size, format, etc. As for the circuits used .... I don't know.
Microcontrollers like the one used in this module certainly weren't around in Don's day
IC headers, caps, resistors, etc
i found these on ebay
The microcontroller atTINY 84a
The ATTINY84A-PU is a
Amtel 8-bit Microcontroller - MCU 20MHz Ind. Grade
There are 14 pins
I have an Olimex avr programmer so might try that first
https://www.olimex.com/Products/AVR/Programmers/AVR-ISP-MK2/open-source-hardware
The Olimex has a 6 pin & 10 pin ribbon cable
The 10-pin cable fits only the ICSP10 connector.
(In Circuit Serial Programmer)
I'll be flashing the chip via the ICSP 10 connector. Pin 1 can be identified with an arrow and the red stripe
I'll program this chip using a breadboard.
Links
+ Microcontrollers - general info
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