Maestro Filter Sample & Hold Project History File 2015_05_14 - Started History File. 2015-05-14 - Updated the entire project. 2017-01-09 - Updated some mistakes with pots and trimmers in the BOM 2018-07-25 - Added Instructions file 2018-12-30 - Updated Instructions with voltage readings and added ICs to BOM 2019-01-04 - Updated Trimmer setting instructions in the Instructions File 2019-08-25 - Instructions updated with some better wording.