its a little whale-shaped PCB with NFC! it has an LED for the eye.
- install nfc tools on ios
- under "advanced commands" write A2:03:E1:10:6D:00,A2:04:03:04:D8:00,A2:05:00:00:FE:00
- write url to tag
| Designator | Footprint | Quantity | Value | LCSC Part # |
|---|---|---|---|---|
| C1 | 0603 | 1 | 220nF | |
| LED1 | LED0805-R-RD | 1 | 17-21SUYC/TR8 | C2296 |
| R1 | 0603 | 1 | 47 | |
| U1 | XQFN-8_L1.6-W1.6-P0.50-BL_NT3H2111W0FHKH | 1 | NT3H2111W0FHKH | C710403 |