# Smart Humidity Sensor SHT31 done 35fc ## Project Details - **Owner:** dacre - **Created:** 7/29/2025 - **Last Updated:** 10/29/2025 - **Visibility:** Public ## Key Components ### — [M2 Mounting Hole](https://www.flux.ai/vasyl/m2-mounting-hole~st.md) **Pins:** - ~ ### IC1 — [TPS62132RGTT](https://www.flux.ai/vasyl/tps62132rgtt~3yu.md) - Role: Power Conversion - Manufacturer Part Number: TPS62132RGTT - Part Type: Integrated Circuit - Datasheet URL: https://www.ti.com/general/docs/suppproductinfo.tsp?distId=10&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftps62132 - Manufacturer Name: Texas Instruments **Pins:** - AGND [pin 6] - AVIN [pin 10] - DEF [pin 8] - EN [pin 13] - EP [pin 17] - FB [pin 5] - FSW [pin 7] - PG [pin 4] - PGND [pin 15] - PGND [pin 16] - PVIN [pin 12] - PVIN [pin 11] - SS/TR [pin 9] - SW [pin 1] - SW [pin 3] - SW [pin 2] - VOS [pin 14] ### J1 — MSD-4-A - Datasheet URL: https://www.cuidevices.com/product/resource/msd-4-a.pdf - Manufacturer Name: CUI Devices - Part Type: Connector - Manufacturer Part Number: MSD-4-A **Pins:** - CD [pin CD1] - CD/DAT3 [pin 2] - CLX [pin 5] - CMD [pin 3] - DAT0 [pin 7] - DAT1 [pin 8] - DAT2 [pin 1] - G1 [pin G1] - G2 [pin G2] - G3 [pin G3] - G4 [pin G4] - VDD [pin 4] - VSS [pin 6] ### LED1 — [LED-0805-Template](https://www.flux.ai/vasy_skral/led-0805-template~dfa.md) - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: LED **Pins:** - A [pin 2] - K [pin 1] ### U1 — [ESP32-S3-WROOM-1-N8R8](https://www.flux.ai/adrian95/esp32-s3-wroom-1-n8r8~na1.md) - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-s3-wroom-1_wroom-1u_datasheet_en.pdf - Manufacturer Part Number: ESP32-S3-WROOM-1-N8R8 - Manufacturer Name: Espressif Systems - Voltage Rating: 3.3V - Part Type: Module **Pins:** - 3V3 [pin 2] - EN [pin 3] - GND [pin 41_3] - GND [pin 41_7] - GND [pin 41_4] - GND [pin 1] - GND [pin 40] - GND [pin 41_8] - GND [pin 41_9] - GND [pin 41_2] - GND [pin 41_1] - GND [pin 41_6] - GND [pin 41_5] - IO0 [pin 27] - IO1 [pin 39] - IO10 [pin 18] - IO11 [pin 19] - IO12 [pin 20] - IO13 [pin 21] - IO14 [pin 22] - IO15 [pin 8] - IO16 [pin 9] - IO17 [pin 10] - IO18 [pin 11] - IO19 [pin 13] - IO2 [pin 38] - IO20 [pin 14] - IO21 [pin 23] - IO3 [pin 15] - IO35 [pin 28] - IO36 [pin 29] - IO37 [pin 30] - IO38 [pin 31] - IO39 [pin 32] - IO4 [pin 4] - IO40 [pin 33] - IO41 [pin 34] - IO42 [pin 35] - IO45 [pin 26] - IO46 [pin 16] - IO47 [pin 24] - IO48 [pin 25] - IO5 [pin 5] - IO6 [pin 6] - IO7 [pin 7] - IO8 [pin 12] - IO9 [pin 17] - RXD0 [pin 36] - TXD0 [pin 37] ### U2 — [SHT31-DIS-B2.5KS](https://www.flux.ai/vasy_skral/sht31-dis-b25ks~lhv.md) - Part Type: Integrated Circuit - Manufacturer Part Number: SHT31-DIS-B2.5KS - Manufacturer Name: Sensirion AG - Datasheet URL: https://media.digikey.com/pdf/Data%20Sheets/Sensirion%20PDFs/HT_DS_SHT3x_DIS.pdf **Pins:** - ~RESET [pin 6] - ADDR [pin 2] - ALERT [pin 3] - R [pin 7] - SCL [pin 4] - SDA [pin 1] - VDD [pin 5] - VSS [pin 9] - VSS [pin 8] ### U3 — [TYPE-C 16PLT-H10.0](https://www.flux.ai/lcsc/type-c-16plt-h10p0~k3rd.md) - Manufacturer Part Number: TYPE-C 16PLT-H10.0 - LCSC Part Number: C3151749 - JLCPCB Part Class: Extended Part - Manufacturer Name: SHOU HAN(首韩) - Part Type: USB Connectors - Package or Case Code: TYPE-C-SMD_USB4120-03-C **Pins:** - CC1 [pin A5] - CC2 [pin B5] - DN1 [pin A7] - DN2 [pin B7] - DP1 [pin A6] - DP2 [pin B6] - EH [pin 0] - GND [pin B1] - GND [pin A12] - GND [pin B12] - GND [pin A1] - SBU1 [pin A8] - SBU2 [pin B8] - VBUS [pin B4] - VBUS [pin A4] - VBUS [pin A9] - VBUS [pin B9] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dacre/smart-humidity-sensor-sht31-done-35fc~dju](https://www.flux.ai/dacre/smart-humidity-sensor-sht31-done-35fc~dju).* --- *Generated from [https://www.flux.ai/dacre/smart-humidity-sensor-sht31-done-35fc~dju](https://www.flux.ai/dacre/smart-humidity-sensor-sht31-done-35fc~dju)*