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- There is an error on this board at the output buffer op-amp (TL071). A trace goes to pin 5. T ...4 KB (590 words) - 18:48, 15 February 2023
- {{font color|red|Important:}} The first run of PCBs has a minor error - the voltage follower IC4B (center bottom of the PCB) has its wiring confu ...9 KB (1,446 words) - 19:50, 15 February 2023
- Due to a manufacturing error, the overlay on one version of these PCBs has become cluttered. Print out t ...6 KB (986 words) - 14:50, 19 July 2022
- Due to a manufacturing error, the overlay on these PCBs has become cluttered. Print out the above file t ...9 KB (1,467 words) - 18:54, 19 July 2022
- ...or an enlarged, printable version. Print at 300dpi. Due to a manufacturing error, the overlay on one version of these PCBs has become cluttered. Print this ...8 KB (1,389 words) - 14:50, 19 July 2022
- ...e increased, to as much as 33k, dependent on the individual LED. Trial and error is the only way to correctly determine the value. This can be done with a L ...9 KB (1,611 words) - 18:56, 19 July 2022
- The first run of PCBs has a minor error - the offset trimmer has been taken to the positive instead of negative rai ...8 KB (1,322 words) - 14:50, 19 July 2022
- ...ith less than one [https://en.wikipedia.org/wiki/Cent_(music) cent] tuning error. An on-chip five channel mixer sums triangle, saw, and pulse waveforms plus ...2 KB (322 words) - 09:39, 10 April 2024