Categories Electronics op-amp PID controller Post author By admin Post date October 26, 2014 No Comments on op-amp PID controller Here's an old-school PID controller based on simple op-amp circuits that I put together a week or so ago. Schematic. Note that the DG418 switches are connected wrong – they were not used. Milled PCB coated with PRF202 thru-solder clearcoat. Schroff front-panel to fit 19″ 3U rack enclosure. Measure twice – drill once. The top switch resets the integrator, while the bottom switch enables the output. Tags PID ← Espoorastit Mikkelä → Rack PC Build - Part Two Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website This site uses Akismet to reduce spam. Learn how your comment data is processed.