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LM393D should be 511-LM393ADT
alpha 9mm not in card available from UK-elektronik
2x C1M
1x C50K
Guide:
| ID | date | issue | solution | fixed in production version |
|---|---|---|---|---|
| 1 | 26.1.2021 | info- ribbon cable | its cheaper 15cm is fine NEVER use Floppy disk cables - this are not 1:1 pin assigned | |
| 2 | INFO | ic pin out | DAC and LDO is upside down, all other pin1 top-left or check dadatsheet | |
| 3 | C95A is C15A1 C95B is C15B1 on pcbs |  | ||
| 4 | 26.1 | bom change (last version is A) | R210 was 1k5 now 1k (SMT led resistor) C95a1 and C95b1 changed to: C95A and C95B added one dip8 socket to bom | |
| 5 | 26.1 | install S7 at the end of the build - for prototype version only !!! | | |
| 6 | 06.02-2021 | check that no traces are under the slide switch tabs, and check for traces under the potentiometer tabs. | bend or cut them. ( Janne agreed that he change the pcb - production run don't have traces under the switch tabs and pot tabs) | unknown |
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