# AeriSense db00 ## Description Compact ESP32-S3 wearable environmental monitor with BME688 sensing, LiPo charging, MAX17043 fuel gauge, USB-C power, and JLCPCB-ready 4-layer layout constraints. ## Project Details - **Owner:** seheja - **Created:** 5/27/2026 - **Last Updated:** 5/27/2026 - **Visibility:** Public ## Key Components ### D1 — [0603GBD0790S01](https://www.flux.ai/adrian95/0603gbd0790s01~iak.md) - Manufacturer Part Number: 0603GBD0790S01 - Part Type: LED - Role Details: Green 0603 LED with 330Ω resistor from 3.3V rail - Role: Power LED - Datasheet URL: https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/4336/0603GBD0790S01.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: ORIENTAL TECHNOLOGY **Pins:** - A [pin 2] - K [pin 1] ### D2 — [SML-D14U2WT86C](https://www.flux.ai/jecstronic/sml-d14u2wt86c~zwg.md) - Manufacturer Part Number: SML-D14U2WT86C - Role: Charge LED - Part Type: LED - Datasheet URL: https://fscdn.rohm.com/en/products/databook/datasheet/opto/led/chip_mono/sml-d14u2wt86(c)-e.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: Red 0603 LED driven by MCP73831 STAT output - Manufacturer Name: Rohm Semiconductor **Pins:** - A [pin 2] - K [pin 1] ### D3 — [150060BS73220](https://www.flux.ai/vasy_skral/150060bs73220~6g.md) - Manufacturer Part Number: 150060BS73220 - Part Type: LED - Manufacturer Name: Würth Elektronik - Datasheet URL: https://www.we-online.com/components/products/datasheet/150060BS73220.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Role: Status LED - Role Details: Blue 0603 LED controlled by ESP32 GPIO for firmware status **Pins:** - A [pin 2] - K [pin 1] ### J1 — [UJ20-C-H-G-SMT-2-P16-TR](https://www.flux.ai/adrian95/uj20-c-h-g-smt-2-p16-tr~v05.md) - Role Details: Power-only USB-C sink; CC1/CC2 use independent 5.1k pull-downs; USB data intentionally unused - Mount: Surface Mount - Role: USB-C Connector - Symbol Style: parametric-v1 - Manufacturer Name: Same Sky (Formerly CUI Devices) - Manufacturer Part Number: UJ20-C-H-G-SMT-2-P16-TR - Part Type: Connector - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.sameskydevices.com/product/resource/uj20-c-h-g-smt-2-p16-tr.pdf **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - GND [pin A1_B12] - GND__1 [pin B1_A12] - SBU1 [pin A8] - SBU2 [pin B8] - SHIELD [pin SH1] - SHIELD__1 [pin SH2] - SHIELD__2 [pin SH3] - SHIELD__3 [pin SH4] - VBUS [pin A4_B9] - VBUS__1 [pin B4_A9] ### J2 — [S2B-PH-K-S(LF)(SN)](https://www.flux.ai/lcsc/s2b-ph-k-slfsn~vk6f.md) - Manufacturer Name: JST - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2304140030_JST-S2B-PH-K-S-LF-SN_C173752.pdf - Manufacturer Part Number: S2B-PH-K-S(LF)(SN) - Role: Battery Connector - Package or Case Code: CONN-TH_S2B-PH-K-S-LF-SN - JLCPCB Part Class: Extended Part - LCSC Part Number: C173752 - Part Type: Wire To Board / Wire To Wire Connector - Product Info Url: https://lcsc.com/product-detail/PH-Connectors_JST-Sales-America_S2B-PH-K-S-LF-SN_JST-Sales-America-S2B-PH-K-S-LF-SN_C173752.html - Role Details: Hand-solderable JST-PH 2-pin connector for protected 1S LiPo pack **Pins:** - 1 [pin 1] - 2 [pin 2] ### J3 — [AVR-TPI-6](https://www.flux.ai/vasy_skral/avr-tpi-6~o39.md) - Exclude from BOM: false - Part Type: Connector - Manufacturer Name: Würth Elektronik - Datasheet URL: https://www.we-online.com/catalog/datasheet/61200621621.pdf - Role: Programming Header - Role Details: Repurposed 6-pin header exposes TX, RX, GND, 3V3, EN, and IO0 for external USB-UART adapter - Manufacturer Part Number: 61200621621 **Pins:** - Pin_1 [pin 1] - Pin_2 [pin 2] - Pin_3 [pin 3] - Pin_4 [pin 4] - Pin_5 [pin 5] - Pin_6 [pin 6] ### SW1 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - LCSC Part Number: C720477 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - Role Details: Momentary switch from EN to GND - Role: Reset Button - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - JLCPCB Part Class: Extended Part - Manufacturer Part Number: TS-1088-AR02016 - Manufacturer Name: XUNPU(讯普) - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Part Type: Tactile Switches **Pins:** - 1 [pin 1] - 2 [pin 2] ### SW2 — [TS-1088-AR02016](https://www.flux.ai/lcsc/ts-1088-ar02016~e3n1.md) - JLCPCB Part Class: Extended Part - Package or Case Code: SW-SMD_L3.9-W3.0-P4.45 - Datasheet URL: https://storage.googleapis.com/graviton-electric-symbols/document_assets/lcsc/2409302330_XUNPU-TS-1088-AR02016_C720477.pdf - LCSC Part Number: C720477 - Part Type: Tactile Switches - Product Info Url: https://lcsc.com/product-detail/Tactile-Switches_XUNPU-TS-1088-AR02016_C720477.html - Manufacturer Name: XUNPU(讯普) - Role Details: Momentary switch from IO0 to GND for UART download mode - Manufacturer Part Number: TS-1088-AR02016 - Role: Boot Button **Pins:** - 1 [pin 1] - 2 [pin 2] ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasy_skral/esp32-wroom-32d~o5t.md) - Role: Signal Generation - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: ESP32-WROOM-32D module; antenna placed at board top edge with full copper keepout in layout; uses external USB-UART programming - Manufacturer Part Number: ESP32-WROOM-32D - Manufacturer Name: Espressif Systems - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - Part Type: Module - Symbol Style: parametric-v1 **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 39_16] - GND [pin 39_14] - GND [pin 1] - GND [pin 39_17] - GND [pin 15] - GND [pin 39_12] - GND [pin 39_11] - GND [pin 39_5] - GND [pin 39_3] - GND [pin 39_13] - GND [pin 39_21] - GND [pin 38] - GND [pin 39_10] - GND [pin 39_19] - GND [pin 39_1] - GND [pin 39_6] - GND [pin 39_9] - GND [pin 39_18] - GND [pin 39_20] - GND [pin 39_7] - GND [pin 39_8] - GND [pin 39_4] - GND [pin 39_15] - GND [pin 39_2] - IO0 [pin 25] - IO12 [pin 14] - IO13 [pin 16] - IO14 [pin 13] - IO15 [pin 23] - IO16 [pin 27] - IO17 [pin 28] - IO18 [pin 30] - IO19 [pin 31] - IO2 [pin 24] - IO21 [pin 33] - IO22 [pin 36] - IO23 [pin 37] - IO25 [pin 10] - IO26 [pin 11] - IO27 [pin 12] - IO32 [pin 8] - IO33 [pin 9] - IO34 [pin 6] - IO35 [pin 7] - IO4 [pin 26] - IO5 [pin 29] - RXD0 [pin 34] - SCK/CLK [pin 20] - SCS/CMD [pin 19] - SDI/SD1 [pin 22] - SDO/SD0 [pin 21] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - SHD/SD2 [pin 17] - SWP/SD3 [pin 18] - TXD0 [pin 35] ### U2 — [BME688](https://www.flux.ai/adrian95/bme688~p9.md) - Role Details: I2C BME688 near vented right edge, away from charger/regulator/ESP32 heat - Role: Environmental Sensor - Datasheet URL: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme688-ds000.pdf - Part Type: Integrated Circuit - Manufacturer Part Number: BME688 - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Bosch Sensortec **Pins:** - CSB [pin 2] - GND [pin 7] - GND [pin 1] - SCK [pin 4] - SDI [pin 3] - SDO [pin 5] - VDD [pin 8] - VDDIO [pin 6] ### U3 — [MCP73831T-2ATI/OT](https://www.flux.ai/adrian95/mcp73831t-2atiot~46p.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Manufacturer Name: Microchip Technology - Role: Battery Charger - Manufacturer Part Number: MCP73831T-2ATI/OT - Role Details: MCP73831 4.2V LiPo charger; 2k PROG resistor sets about 505mA fast charge - Datasheet URL: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP73831-Family-Data-Sheet-DS20001984H.pdf **Pins:** - PROG [pin 5] - STAT [pin 1] - VBAT [pin 3] - VDD [pin 4] - VSS [pin 2] ### U4 — [AP2112K-3.3TRG1](https://www.flux.ai/adrian95/ap2112k-33trg1~zlq.md) - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2112.pdf - Manufacturer Part Number: AP2112K-3.3TRG1 - Role Details: 3.3V 600mA LDO sized for ESP32 Wi-Fi transients; thermal margin depends on duty cycle - Symbol Style: parametric-v1 - Manufacturer Name: Diodes Incorporated - Role: LDO Regulator **Pins:** - EN [pin 3] - GND [pin 2] - NC [pin 4] - VIN [pin 1] - VOUT [pin 5] ### U5 — [MAX17043G+T](https://www.flux.ai/adrian95/max17043gplust~ck5.md) - Manufacturer Part Number: MAX17043G+T - License: https://creativecommons.org/licenses/by/4.0/ - Role Details: MAX17043 monitors LiPo cell voltage/state of charge on shared I2C bus - Part Type: Integrated Circuit - Manufacturer Name: Analog Devices Inc./Maxim Integrated - Role: Fuel Gauge - Datasheet URL: https://datasheets.maximintegrated.com/en/ds/MAX17043-MAX17044.pdf **Pins:** - ~ALRT [pin 5] - CELL [pin 2] - CTG [pin 1] - EP [pin 9] - GND [pin 4] - QSTRT [pin 6] - SCL [pin 7] - SDA [pin 8] - VDD [pin 3] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/seheja/aerisense-db00~vf](https://www.flux.ai/seheja/aerisense-db00~vf).* --- *Generated from [https://www.flux.ai/seheja/aerisense-db00~vf](https://www.flux.ai/seheja/aerisense-db00~vf)*