There&#x27;s also <a href="http:&#x2F;&#x2F;www.ohwr.org&#x2F;projects&#x2F;f-watch&#x2F;wiki" rel="nofollow">http:&#x2F;&#x2F;www.ohwr.org&#x2F;projects&#x2F;f-watch&#x2F;wiki</a>, a smart watch made by a team at CERN for a retiring researcher. It&#x27;s powered by a very low-power EFM32&#x2F;ARM microcontroller, uses a metallic e-ink display, the board is designed with KiKad, and has all the resources they used on the website.