This particular circuit gives the MCU an abilty to generate AC current with required amplitude using only the DAC and 2 general purpose opamps.
Insparation is that you can copy the repo and get a reusable circuit block.
Please, contact me if you need any help
Telegramm: https://t.me/Plinsboorg
Email: [email protected]
I do commercial electronics design and consulting.
I can also help you for free if you're doing an open hardware project.
I'll continue adding intresting analog circuits as separate repos
Please, submit your fixes if you see any mistakes or possible improvments.
This circuit is inspired by Flexi-TEER project https://github.com/mdanderson03/Flexi-TEER