This was designed as an introduction to amplifiers + filters for undergraduates, or really just uses of op-amps in general. Since the circuit design was fairly straight-forward for this, I decided to get a little fancy with the PCB. I’ve seen lots of boards and designs on Twitter that do some funky work, so I wanted to try my hand at it too. Here’s the output:
And a populated board:
This was definitely one of our more popular workshops! It came back for a spring revival due to popular demand.