¶ Ring Drive
¶ Table of Contents
¶ Nano Memory Card
For this project the plan is to use a Nano Memory Card, a new standard created by Huawei. These cards are smaller than the standard MicroSD card while still maintaining large amounts of storage and the SDIO (hopefully) protocol.
¶ Extra Notes
So the goal of this ring is a solid state device with no battery. Though for other applications haptics could be ideal, here is a haptic chip
https://www.boreas.ca/pages/smart-ring
https://www.renesas.com/en/products/wireless-connectivity/bluetooth-low-energy/da14592-smartbond-multi-core-bluetooth-le-52-soc-embedded-flash#overview