Wearable-LED-Ring
JackToaster
Tiny LED ring with a microphone for wearable music-reactive lighting
Components (13)
| Reference | Value | Description |
|---|---|---|
| U1 | STM32L431CCYx | STMicroelectronics Arm Cortex-M4 MCU, 256KB flash, 64KB RAM, 80 MHz, 1.71-3.6V, 39 GPIO, WLCSP49 |
| U2 | BQ297xy | Voltage and Current Protection for Single-Cell Li-Ion and Li-Polymer Batteries |
| U3 | CSD83325L | |
| U4 | TLV70736DQNR | |
| C1-C15 | 100n | Unpolarized capacitor, small symbol |
| D1-D8,D11-D16 | WS2812B-2020 | RGB LED with integrated controller, 2.0 x 2.0 mm, 12 mA |
| D9 | 0402 | Light emitting diode, small symbol |
| J1,J3 | Battery | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| J2 | Debug | Generic connector, double row, 02x02, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) |
| J4 | Charge | Generic connector, single row, 01x02, script generated (kicad-library-utils/schlib/autogen/connector/) |
| MK1 | SPH0641LU4H-1 | Digital MEMS Microphone, LGA-5 |
| R2 | 120 | Resistor, small symbol |
| R3 | 330 | Resistor, small symbol |