
MSBE V3 BGA
Monty103/MSBE_v3
An ultra-compact, low-power wearable audio device featuring bone-conduction technology, digital PDM voice capture, and multi-gesture touch controls.

Experiments in hearing
Yote is an open-source printed circuit board by ninjasource, from the ninjasource/yote repository on GitHub, published under the GPL-3.0 licence. It is an 8-layer board of 22.6 × 11.6 mm with 66 parts on 129 nets, routed with 1,094 tracks and 111 vias.
It is built around the CS47L63-CWZR, NRF5340-CLAA-R and NPM1100-CAAA-R7, with the PESD5V0V1BDSF among its other parts. Its parts include 31 capacitors, 11 resistors, 6 ICs, 4 inductors and 3 diodes. It belongs with the nRF52 and nRF5x boards of this library.
Requires Kicad 8.0 Step files for the 3D rendering of the board will be checked in soon but at the moment they are not in the project path and therefore not rendered correctly. This messes up the PCB Design Rule checker too. Kicad projects are a little tricky to setup to work on multiple machines because of all the internal and external library files involved.
If you do not have the correct version of Kicad installed then you can use the exported PDF schematic below:
Please see output/yote.pdf for now
| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100n | nrf5340:C_0201_0603Metric_Square | C1, C2, C3, C4, C5, C15, C19, C20, C21, C24, C26, C27 |
| 9 | 1u | nrf5340:C_0402_1005Metric_Square | C7, C8, C9, C13, C14, C16, C22, C23, C25 |
| 5 | 10u | nrf5340:C_0603_1608Metric_Square | C29, C31, C32, C33, C35 |
| 3 | 1M | nrf5340:R_0201_0603Metric_Square | R7, R8, R9 |
| 2 | 100 | nrf5340:R_0201_0603Metric_Square | R1, R2 |
| 2 | 10u | nrf5340:L_0603_1608Metric_MLZ1608M100WTD25 | L1, L4 |
| 2 | 22 | nrf5340:R_0201_0603Metric_Square | R3, R4 |
| 2 | 2u2 | nrf5340:C_0402_1005Metric_Square | C28, C30 |
| 2 | IM69D130_PDM | nrf5340:MIC_IM69D130V01XTSA1_PadFix_Round | U2, U3 |
| 2 | PESD5V0V1BDSF | nrf5340:D_0603_1608Metric_Square | D1, D2 |
| 1 | 0p7 | nrf5340:C_0201_0603Metric_Square | C11 |
| 1 | 100k | nrf5340:R_0201_0603Metric_Square | R5 |
| 1 | 1k | nrf5340:R_0201_0603Metric_Square | R10 |
| 1 | 22u | nrf5340:C_0603_1608Metric_Square | C34 |
| 1 | 2POS_FEMALE_1mm | nrf5340:BC075-02-A-L-A | J2 |
| 1 | 2n2 | nrf5340:C_0201_0603Metric_Square | C10 |
| 1 | 2n2 | nrf5340:L_0201_0603Metric_Square | L2 |
| 1 | 2u2 | nrf5340:L_0603_1608Metric_MLZ1608M100WTD25 | L6 |
| 1 | 32Mhz 8pF | nrf5340:MP06003_Crystal | Y1 |
| 1 | 330 | nrf5340:R_0201_0603Metric_Square | R11 |
| 1 | 33k | nrf5340:R_0603_1608Metric_Square | R6 |
| 1 | 5V | nrf5340:MountingHole_0.6mm_Pad_TopBottom | H3 |
| 1 | ANT | nrf5340:2450AT18B100E | E1 |
| 1 | BATT+ | nrf5340:MountingHole_0.6mm_Pad_TopBottom | H5 |
| 1 | BATT- | nrf5340:MountingHole_0.6mm_Pad_TopBottom | H6 |
| 1 | CS47L63-CWZR | nrf5340:CS47L63-CWZR | U4 |
| 1 | GND | nrf5340:MountingHole_0.6mm_Pad_TopBottom | H4 |
| 1 | GREEN_LED | LED_SMD:LED_0402_1005Metric | D3 |
| 1 | NPM1100-CAAA-R7 | nrf5340:NPM1100-CAAA-R7 | U5 |
| 1 | NPN_TRANSISTOR | nrf5340:Npn_Transistor_TP5001P3 | Q1 |
| 1 | NRF5340-CLAA-R | nrf5340:NRF5340-CLAA-R | U1 |
| 1 | PUSH_BTN | nrf5340:SW_PTS840GMSMTRLFS | S1 |
| 1 | TC2030-NL | nrf5340:Tag-Connect_TC2030-IDC-NL_2x03_P1.27mm_Vertical | J1 |
| 1 | Thermistor_NTC | nrf5340:R_0402_1005Metric_Square | TH1 |
| 1 | XCL210C12 | nrf5340:XCL210C12 | U6 |
It measures 22.6 × 11.6 mm and has 8 copper layers, 1.22 mm thick.
66 parts, built around the CS47L63-CWZR, NRF5340-CLAA-R, NPM1100-CAAA-R7 and PESD5V0V1BDSF. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the ninjasource/yote repository on GitHub, at the commit this page was made from: the board is kicad/yote/yote.kicad_pcb and its schematic kicad/yote/dsp.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

Monty103/MSBE_v3
An ultra-compact, low-power wearable audio device featuring bone-conduction technology, digital PDM voice capture, and multi-gesture touch controls.


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