JasMoHI have the initial schematic for the analog front end done! I'm currently soliciting design reviews from basically everybody I know.
See the design here: https://github.com/JasMoH/Photoacoustic/tree/DR1/lock_in_amplifier
Initial Design Review
A project log for Photo-acoustic Spectroscopy
Creating an at home photo-acoustic spectroscopy system
Discussions
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