# Wearable GPS IMU Tracker ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** esayli7 - **Created:** 4/10/2026 - **Last Updated:** 4/10/2026 - **Visibility:** Public ## Key Components ### Card1 — [5033981892](https://www.flux.ai/lcsc/5033981892~02h9.md) - JLCPCB Part Class: Extended Part - Package or Case Code: TF-SMD_503398-1892 - Part Type: SIM Card Connectors - Operating Temperature: -25℃~+85℃ - Product Info Url: https://lcsc.com/product-detail/Connector-Card-Sockets_MOLEX-503398-1892_C428492.html - Maximum Body Height: 1.28mm - Manufacturer Part Number: 5033981892 - LCSC Part Number: C428492 - Role Details: SPI removable storage socket for activity data logging - Manufacturer Name: MOLEX - Package: Connector - Role: microSD Socket - Card Type: MicroSD card (TF card) - Connector Type: Card Slot - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302300_MOLEX-5033981892_C428492.pdf **Pins:** - 10 [pin 10] - 9 [pin 9] - CD/DAT3 [pin 2] - CLK [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - EH [pin 11] - VDD [pin 4] - VSS [pin 6] ### D1 — [USBLC6-2SC6Y](https://www.flux.ai/adrian95/usblc6-2sc6y~2s7.md) - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Part Number: USBLC6-2SC6Y - Role: ESD Protection - Part Type: Protection - Manufacturer Name: STMicroelectronics - Datasheet URL: https://www.st.com/content/ccc/resource/technical/document/datasheet/group0/94/15/6c/58/ba/91/46/42/DM00055262/files/DM00055262.pdf/jcr:content/translations/en.DM00055262.pdf - Package: SOT-23-6 - Role Details: Protects USB-C connector low-voltage lines against ESD events **Pins:** - GND [pin 2] - I/O1 [pin 6] - I/O1 [pin 1] - I/O2 [pin 3] - I/O2 [pin 4] - VBUS [pin 5] ### D2 — [SMF5.0A_R1_00001](https://www.flux.ai/lcsc/smf5p0ar100001~irib.md) - Role Details: Transient suppressor for USB 5V input surge and ESD protection - JLCPCB Part Class: Extended Part - Manufacturer Name: PANJIT(强茂) - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/1912111437_PANJIT-International-SMF5-0A-R1-00001_C391708.pdf - Package or Case Code: SOD-123FL_L2.7-W1.8-LS3.8-RD - LCSC Part Number: C391708 - Manufacturer Part Number: SMF5.0A_R1_00001 - Part Type: TVS - Role: VBUS TVS - Package: SOD-123FL - Product Info Url: https://lcsc.com/product-detail/New-Arrivals_PANJIT-International-SMF5-0A-R1-00001_C391708.html **Pins:** - A [pin 2] - K [pin 1] ### D3 — [TPD1E10B06DPYT](https://www.flux.ai/lcsc/tpd1e10b06dpyt~nf2g.md) - Role: RF ESD Protection - Manufacturer Part Number: TPD1E10B06DPYT - Package or Case Code: X1SON-2_L1.0-W0.6-P0.65-BI - Role Details: Low-capacitance ESD protector placed at GNSS antenna feed near u.FL - Package: X1SON-2 - Part Type: TVS - Manufacturer Name: TI(德州仪器) - JLCPCB Part Class: Extended Part - LCSC Part Number: C1847652 **Pins:** - A [pin 1] - K [pin 2] ### IC1 — [BMI323](https://www.flux.ai/vasyl/bmi323~pqs.md) - Manufacturer Part Number: BMI323 - Role Details: Bosch BMI323 accelerometer and gyroscope on I2C bus - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/2957/BST-BMI323-FL000-00.pdf - Part Type: IMU - Role: IMU - Manufacturer Name: Bosch Sensortec - License: https://creativecommons.org/licenses/by/4.0/ - Package: LGA **Pins:** - CSB [pin 12] - GND [pin 7] - GNDIO [pin 6] - INT1 [pin 4] - INT2 [pin 9] - NC [pin 11] - NC [pin 3] - NC [pin 2] - NC [pin 10] - SCX [pin 13] - SDO [pin 1] - SDX [pin 14] - VDD [pin 8] - VDDIO [pin 5] ### J1 — [USB4135-GF-A_REVA](https://www.flux.ai/cherepanyadima/usb4135-gf-areva~v9.md) - Datasheet URL: https://gct.co/files/specs/usb4135-spec.pdf - Symbol Style: Parametric - Part Type: Connectors - Role: USB Power Input - Package: USB-C Receptacle - Manufacturer Part Number: USB4135-GF-A - Role Details: USB Type-C receptacle used as 5V sink for charging and service power - Mount: Surface Mount - Manufacturer Name: GCT **Pins:** - CC1 [pin A5] - CC2 [pin B5] - GND_A [pin A12] - GND_B [pin B12] - SHIELD [pin S4] - SHIELD [pin S2] - SHIELD [pin S1] - SHIELD [pin S3] - VBUS_A [pin A9] - VBUS_B [pin B9] ### J2 — [S2B-PH-SM4-TB(LF)(SN)](https://www.flux.ai/adrian95/s2b-ph-sm4-tblfsn~b96.md) - Manufacturer Name: JST Sales America Inc. - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.jst-mfg.com/product/pdf/eng/ePH.pdf - Package: JST-PH-2 - Role Details: 2-pin battery connector for single-cell LiPo pack - Manufacturer Part Number: S2B-PH-SM4-TB(LF)(SN) - Role: Battery Connector **Pins:** - P1 [pin 1] - P2 [pin 2] ### LED1 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/generic-led-0603-1608-metric~yk.md) - Role: Status LED - Role Details: Visual indication for charging and system status - Package: 0603 - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### LED2 — [LED 0603 (1608 Metric)](https://www.flux.ai/jharwinbarrozo/generic-led-0603-1608-metric~yk.md) - Package: 0603 - Role Details: Visual indication for charging and system status - Part Type: LED - Role: Status LED **Pins:** - A [pin 2] - K [pin 1] ### RF1 — [U.FL-R-SMT-1(01)](https://www.flux.ai/lcsc/upfl-r-smt-101~qrdh.md) - Part Type: RF Connectors / Coaxial Connectors - JLCPCB Part Class: Extended Part - Role Details: 50 ohm micro coax connector for external GNSS antenna feed - Role: RF Connector - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2410010203_HRS-Hirose-U-FL-R-SMT-1-01_C598199.pdf - Package or Case Code: RF-SMD_U.FL-R-SMT-1-80 - Product Info Url: https://lcsc.com/product-detail/presales_HRS-Hirose-HRS-U-FL-R-SMT-1-01_C598199.html - Manufacturer Part Number: U.FL-R-SMT-1(01) - Manufacturer Name: HRS(广濑) - LCSC Part Number: C598199 - Package: U.FL **Pins:** - GND [pin 1] - GND [pin 3] - SIN [pin 2] ### U1 — [ESP32-C6-MINI-1-N4](https://www.flux.ai/vasyl/esp32-c6-mini-1-n4~0jh.md) - Part Type: RF module - Role: Main MCU - Manufacturer Name: Espressif Systems - Package: Module - Role Details: ESP32-C6 wireless MCU module handling BLE/Wi-Fi, sensor polling, GNSS interface, storage, and power control - Manufacturer Part Number: ESP32-C6-MINI-1-N4 - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-c6-mini-1_mini-1u_datasheet_en.pdf **Pins:** - 3V3 [pin 3] - EN [pin 8] - GND_1 [pin 1] - GND_1__1 [pin 2] - GND_1__10 [pin 42] - GND_1__11 [pin 43] - GND_1__12 [pin 44] - GND_1__13 [pin 45] - GND_1__14 [pin 46] - GND_1__2 [pin 11] - GND_1__3 [pin 14] - GND_1__4 [pin 36] - GND_1__5 [pin 37] - GND_1__6 [pin 38] - GND_1__7 [pin 39] - GND_1__8 [pin 40] - GND_1__9 [pin 41] - GND_2 [pin 47] - GND_2__1 [pin 48] - GND_2__10 [pin 49_9] - GND_2__11 [pin 50] - GND_2__12 [pin 51] - GND_2__13 [pin 52] - GND_2__14 [pin 53] - GND_2__2 [pin 49_1] - GND_2__3 [pin 49_2] - GND_2__4 [pin 49_3] - GND_2__5 [pin 49_4] - GND_2__6 [pin 49_5] - GND_2__7 [pin 49_6] - GND_2__8 [pin 49_7] - GND_2__9 [pin 49_8] - IO0 [pin 12] - IO1 [pin 13] - IO12 [pin 17] - IO13 [pin 18] - IO14 [pin 19] - IO15 [pin 20] - IO18 [pin 24] - IO19 [pin 25] - IO2 [pin 5] - IO20 [pin 26] - IO21 [pin 27] - IO22 [pin 28] - IO23 [pin 29] - IO3 [pin 6] - IO4 [pin 9] - IO5 [pin 10] - IO6 [pin 15] - IO7 [pin 16] - IO8 [pin 22] - IO9 [pin 23] - NC [pin 21] - NC [pin 4] - NC__1 [pin 7] - NC__5 [pin 32] - NC__6 [pin 33] - NC__7 [pin 34] - NC__8 [pin 35] - RXD0 [pin 30] - TXD0 [pin 31] ### U2 — [MAX-M10S-00B](https://www.flux.ai/adrian95/max-m10s-00b~pov.md) - Manufacturer Part Number: MAX-M10S-00B - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: GNSS module - Manufacturer Name: U-blox - Role Details: u-blox MAX-M10S receiver with UART interface and RF input for external antenna - Datasheet URL: https://content.u-blox.com/sites/default/files/MAX-M10S_DataSheet_UBX-20035208.pdf - Role: GNSS Receiver - Package: Module **Pins:** - ~RESET~ [pin 9] - ~SAFEBOOT~ [pin 18] - EXTINT [pin 5] - GND [pin 1] - GND [pin 12] - GND [pin 10] - LNA_EN [pin 13] - RF_IN [pin 11] - RXD [pin 3] - SCL [pin 17] - SDA [pin 16] - TIMEPULSE [pin 4] - TXD [pin 2] - V_BCKP [pin 6] - V_IO [pin 7] - VCC [pin 8] - VCC_RF [pin 14] - VIO_SEL [pin 15] ### U3 — [MCP73831T-2ATI/OT](https://www.flux.ai/adrian95/mcp73831t-2atiot~46p.md) - Package: SOT-23-5 - Role Details: Linear single-cell LiPo charger with programmable charge current and status output - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf - Manufacturer Name: Microchip Technology - Part Type: Integrated Circuit - Manufacturer Part Number: MCP73831T-2ATI/OT - License: https://creativecommons.org/licenses/by/4.0/ - Role: Battery Charger **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### U4 — [ME6211C33M5G-N](https://www.flux.ai/jecstronic/me6211c33m5g-n~a2.md) - Role Details: Main always-on 3.3V LDO supplying ESP32 and low-power logic from LiPo battery - Package: SOT-23-5 - Manufacturer Part Number: ME6211C33M5G-N - Part Type: LDO - Datasheet URL: https://datasheet.lcsc.com/lcsc/1811131510_MICRONE-Nanjing-Micro-One-Elec-ME6211C33M5G-N_C82942.pdf - Role: 3.3V Regulator - Manufacturer Name: MICRONE(Nanjing Micro One Elec) **Pins:** - CE - NC - VIN - VOUT - VSS ### U5 — [TPS22917DBV](https://www.flux.ai/kicad-part-library/tps22917dbv~85.md) - Package: SOT-23-6 - Manufacturer Name: Texas Instruments Inc. - Role: Load Switch - Package or Case Code: SOT-23-6 - Manufacturer Part Number: TPS22917DBV - Datasheet URL: http://www.ti.com/lit/ds/symlink/tps22917.pdf - Role Details: GPIO-controlled switch used to gate peripheral 3.3V rail for GNSS, IMU, microSD, and optional fuel gauge **Pins:** - CT [pin 4] - GND [pin 2] - ON [pin 3] - QOD [pin 5] - VIN [pin 1] - VOUT [pin 6] ### U6 — [LC709203FQH-01TWG](https://www.flux.ai/kicad-part-library/lc709203fqh-01twg~dui.md) - Datasheet URL: https://www.onsemi.com/download/data-sheet/pdf/lc709203f-d.pdf - Role Details: Optional I2C battery fuel gauge for state-of-charge monitoring - Package or Case Code: WDFN-8-1EP_4x3mm_P0.65mm_EP2.4x1.8mm - Manufacturer Part Number: LC709203FQH-01TWG - Role: Fuel Gauge - Package: DFN/WLCSP **Pins:** - ~{ALARMB} [pin 4] - EP [pin 9] - SCL [pin 8] - SDA [pin 7] - T_{SENSE} [pin 6] - T_{SW} [pin 5] - TEST [pin 1] - V_{DD} [pin 3] - V_{SS} [pin 2] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/esayli7/wearable-gps-imu-tracker~06](https://www.flux.ai/esayli7/wearable-gps-imu-tracker~06).* --- *Generated from [https://www.flux.ai/esayli7/wearable-gps-imu-tracker~06](https://www.flux.ai/esayli7/wearable-gps-imu-tracker~06)*