imrishabh18/fitness_watch

This circuit integrates an ESP-12E microcontroller with various sensors, relays, and power management components, including an AO3400A transistor for switching loads, to enable wireless control and sensing functions.

Version
1.0.11
License
unset
Stars
0

JLCSEARCH-STOCK-REPORT.md

# JLCSearch BOM — external-battery revision

Refreshed 2026-09-10T11:33:55.247089+00:00. All 36 placements across 22 exact codes have sufficient catalog stock for one watch. Stock is not reserved; this is not a factory assembly quotation.

| References | Part | JLC code | Required | Stock |
|---|---|---|---:|---:|
| U2 | ESP-12E | [C89297](https://jlcsearch.tscircuit.com/api/search?q=C89297&full=true&limit=100) | 1 | 881 |
| R3, R4, R5, R6, R14 | 0603WAF1002T5E | [C25804](https://jlcsearch.tscircuit.com/resistors/list.json?resistance=10000&package=0603) | 5 | 37165617 |
| C12, C7 | FCC0805X106K100FT | [C5137471](https://jlcsearch.tscircuit.com/api/search?q=C5137471&full=true&limit=100) | 2 | 1383566 |
| C3, C4, C14 | CC0603KRX7R6BB105 | [C113807](https://jlcsearch.tscircuit.com/api/search?q=C113807&full=true&limit=100) | 3 | 131015 |
| D2 | 1N5819WS | [C191023](https://jlcsearch.tscircuit.com/api/search?q=C191023&full=true&limit=100) | 1 | 5015719 |
| R13 | 0603WAF1003T5E | [C25803](https://jlcsearch.tscircuit.com/api/search?q=C25803&full=true&limit=100) | 1 | 7990119 |
| J1 | B2B-PH-K-S(LF)(SN) | [C131337](https://jlcsearch.tscircuit.com/api/search?q=C131337&full=true&limit=100) | 1 | 298406 |
| U1 | AP2112K-3.3TRG1 | [C51118](https://jlcsearch.tscircuit.com/api/search?q=C51118&full=true&limit=100) | 1 | 79480 |
| SW_RST, SW_NAV | SKSCPCE010 | [C202420](https://jlcsearch.tscircuit.com/api/search?q=C202420&full=true&limit=100) | 2 | 4840 |
| DS1 | HS91L02W2C01 | [C5248081](https://jlcsearch.tscircuit.com/api/search?q=C5248081&full=true&limit=100) | 1 | 769 |
| U4 | MPU-6050 | [C24112](https://jlcsearch.tscircuit.com/api/search?q=C24112&full=true&limit=100) | 1 | 16261 |
| U5 | MAX30102EFD+T | [C6454833](https://jlcsearch.tscircuit.com/api/search?q=C6454833&full=true&limit=100) | 1 | 97 |
| U6 | TLV70018DDCR | [C79924](https://jlcsearch.tscircuit.com/api/search?q=C79924&full=true&limit=100) | 1 | 5718 |
| M1 | LCM1027A2445F | [C2759984](https://jlcsearch.tscircuit.com/api/search?q=C2759984&full=true&limit=100) | 1 | 11526 |
| R15, R16, R17 | 0603WAF4701T5E | [C23162](https://jlcsearch.tscircuit.com/api/search?q=C23162&full=true&limit=100) | 3 | 7433362 |
| C10 | 0603B222K500NT | [C1604](https://jlcsearch.tscircuit.com/api/search?q=C1604&full=true&limit=100) | 1 | 345196 |
| C11 | 0603B103K500NT | [C57112](https://jlcsearch.tscircuit.com/api/search?q=C57112&full=true&limit=100) | 1 | 2155057 |
| C15 | CL10A475KO8NNNC | [C19666](https://jlcsearch.tscircuit.com/api/search?q=C19666&full=true&limit=100) | 1 | 1373603 |
| C8, C9, C13, C16, C6 | CC0603KRX7R9BB104 | [C14663](https://jlcsearch.tscircuit.com/api/search?q=C14663&full=true&limit=100) | 5 | 12618106 |
| Q1 | AO3400A | [C20917](https://jlcsearch.tscircuit.com/api/search?q=C20917&full=true&limit=100) | 1 | 1535925 |
| R9 | 0603WAF1000T5E | [C22775](https://jlcsearch.tscircuit.com/api/search?q=C22775&full=true&limit=100) | 1 | 7325193 |
| J2 | PZ200V-11-06P | [C541860](https://jlcsearch.tscircuit.com/api/search?q=C541860&full=true&limit=100) | 1 | 10344 |

Battery and enclosure are external, unselected assemblies. USB-C, TP4056 and USB power-selection parts are removed from this BOM. See stock/inventory.json for exact source responses.