rring
state-of-the-art
Open source smart ring project
Components (25)
| Reference | Value | Description |
|---|---|---|
| U1 | DA14531-00000OG2 | |
| U2 | ADP160ACBZ-1.8-R7 | |
| U3 | ICM-20948 | |
| U4 | LTC4124EV-TRMPBF | |
| U5 | TCA6418EYFPR | |
| AE1 | Antenna | |
| BT1 | 2.7-3.7V | |
| C1 | 47nF | |
| C2,C3 | 1µF | |
| C4,C6 | 1.8pF | |
| C5,C7,C8 | 0.1µF | |
| C9 | 0.5µF | |
| D1 | CHRG | |
| D2-D31 | DIG | |
| J1 | Coil1 | |
| J2 | Coil2 | |
| L1,L2 | L | |
| L4 | 3.3nH | |
| R1,R6 | 8R | |
| R2-R5 | R_Small | |
| SW1 | Button | |
| TH1 | 100K | |
| TP1 | SWDIO | |
| TP2 | SWCLK | |
| Y1 | 32MHz |