# Add ons and WIP

- [QCM for RF Sputtering](https://docs.hackerfab.org/home/fab-toolkit/deposition/diy-rf-sputtering-chamber/add-ons-and-wip/qcm-for-rf-sputtering.md): Details are for Version 1 of the sensor head design. Discussion of design choices and build instructions can be found in the documentation document.
- [Sputtering Automation Control System](https://docs.hackerfab.org/home/fab-toolkit/deposition/diy-rf-sputtering-chamber/add-ons-and-wip/sputtering-automation-control-system.md)
- [Automated Impedance Matching](https://docs.hackerfab.org/home/fab-toolkit/deposition/diy-rf-sputtering-chamber/add-ons-and-wip/automated-impedance-matching.md): Miguel Salvacion and William Gao, Carnegie Mellon University


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