# good humidity sensor demo run ## Description Welcome to your new project. Imagine what you can build here. ## Project Details - **Owner:** dirk-builds - **Created:** 9/9/2025 - **Last Updated:** 9/9/2025 - **Visibility:** Public ## Key Components ### D1 — [Schottky Diode](https://www.flux.ai/corynrobinson/schottky-diode~hs.md) - Manufacturer Name: onsemi - Breakdown Voltage: 20V - Role: Reverse Polarity Protection - Current: 0.5A - Package or Case Code: D_SOD-123 - Part Type: Diode - Manufacturer Part Number: MBR0520LT1G - Purchase Url: https://octopart.com/mbr0520lt1g-onsemi-2933?r=sp - Datasheet URL: https://www.onsemi.com/pdf/datasheet/mbr0520lt1-d.pdf **Pins:** - A - K ### F1 — [Fuse](https://www.flux.ai/jharwinbarrozo/fuse~801.md) - Role: Protection - Current Rating: 5A **Pins:** - P1 [pin 1] - P2 [pin 2] ### IC1 — [STM32WB55CGU6](https://www.flux.ai/jecstronic/stm32wb55cgu6~g43.md) - Manufacturer Part Number: STM32WB55CGU6 - Part Type: Integrated Circuit - Manufacturer Name: STMicroelectronics - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.st.com/resource/en/datasheet/stm32wb55rg.pdf **Pins:** - AT0 [pin 26] - AT1 [pin 27] - GND [pin 49] - NRST [pin 7] - OSC_IN [pin 25] - OSC_OUT [pin 24] - PA0 [pin 9] - PA1 [pin 10] - PA10 [pin 36] - PA11 [pin 37] - PA12 [pin 38] - PA13 [pin 39] - PA14 [pin 41] - PA15 [pin 42] - PA2 [pin 11] - PA3 [pin 12] - PA4 [pin 13] - PA5 [pin 14] - PA6 [pin 15] - PA7 [pin 16] - PA8 [pin 17] - PA9 [pin 18] - PB0 [pin 28] - PB1 [pin 29] - PB2 [pin 19] - PB3 [pin 43] - PB4 [pin 44] - PB5 [pin 45] - PB6 [pin 46] - PB7 [pin 47] - PB8 [pin 5] - PB9 [pin 6] - PC14-OSC32_IN [pin 2] - PC15-OSC32_OUT [pin 3] - PE4 [pin 30] - PH3-BOOT0 [pin 4] - RF1 [pin 21] - VBAT [pin 1] - VDD_1 [pin 20] - VDD_2 [pin 35] - VDD_3 [pin 48] - VDDA [pin 8] - VDDRF [pin 23] - VDDSMPS [pin 34] - VDDUSB [pin 40] - VFBSMPS [pin 31] - VLXSMPS [pin 33] - VSSRF [pin 22] - VSSSMPS [pin 32] ### J1 — [54-00127](https://www.flux.ai/adrian95/54-00127~u3.md) - Datasheet URL: https://tensility.s3.us-west-2.amazonaws.com/uploads/pdffiles/54-00127.pdf - Manufacturer Part Number: 54-00127 - Current Rating: 6A - Connector Gender: Male - Connector Type: Jack - Voltage Rating: 48V - Manufacturer Name: Tensility International Corp - Operating Temperature: -25°C ~ 85°C - Package or Case Code: TENSILITY_54-00127 - Part Type: Power Connector **Pins:** - ~ [pin A] - ~ [pin B] - ~ [pin C] ### U1 — [ESP32-WROOM-32E](https://www.flux.ai/vasy_skral/esp32-wroom-32e~7ed.md) - Manufacturer Part Number: ESP32-WROOM-32E - Part Type: Integrated Circuit - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32e_esp32-wroom-32ue_datasheet_en.pdf - Manufacturer Name: Espressif Systems **Pins:** - GND=> . [pin 15] - EN [pin 3] - GND [pin 1] - GND [pin 38] - GND [pin 39] - 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] - NC [pin 19] - NC [pin 22] - NC [pin 20] - NC [pin 17] - NC [pin 32] - NC [pin 21] - NC [pin 18] - RXD0/IO3 [pin 34] - SENSOR_VN [pin 5] - SENSOR_VP [pin 4] - TXD0/IO1 [pin 35] - VDD [pin 2] ### U2 — [3.3V 1A Linear Regulator](https://www.flux.ai/corynrobinson/33v-1a-linear-regulator~jx.md) - Datasheet URL: https://www.diodes.com/assets/Datasheets/AP2115.pdf - Manufacturer Name: Diodes - Part Type: Power Management - Package or Case Code: 8-SOIC - Manufacturer Part Number: AP2115M-3.3TRG1 **Pins:** - EN - GND - GND - NC - NC - NC - VIN - VOUT ### U3 — [BME280](https://www.flux.ai/adrian95/bme280~qkt.md) - Manufacturer Name: Bosch Sensortec - Datasheet URL: https://www.bosch-sensortec.com/media/boschsensortec/downloads/datasheets/bst-bme280-ds002.pdf - License: https://creativecommons.org/licenses/by/4.0/ - Part Type: Sensor - Manufacturer Part Number: BME280 **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] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/dirk-builds/good-humidity-sensor-demo-run~5p](https://www.flux.ai/dirk-builds/good-humidity-sensor-demo-run~5p).* --- *Generated from [https://www.flux.ai/dirk-builds/good-humidity-sensor-demo-run~5p](https://www.flux.ai/dirk-builds/good-humidity-sensor-demo-run~5p)*