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LM393D should be 511-LM393ADT
alpha 9mm not in card
2x C1M
1x C50K
Guide:
| ID | date | issue | solution |
|---|---|---|---|
| 1 | 26.1.2021 | info- ribbon cable | buy a floppy disk cable 2*17pin its cheaper 15cm is fine |
| 2 | 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 !!! |