# USB-C WiFi BLE TH Sensor ## Description Consumer USB-C powered environmental sensor node with Wi-Fi, BLE 5.x, digital temperature/humidity sensing, protected 5 V input, and a 3.3 V low-power MCU/sensor rail. ## Project Details - **Owner:** unotech - **Created:** 8/16/2026 - **Last Updated:** 8/16/2026 - **Visibility:** Public - **Connectivity:** WiFi - **Power Requirements:** USB-C - **Domain:** Consumer IoT - **Operating Voltage:** 5V - **Connectivity:** Bluetooth ## Key Components ### U1 — [ESP32-WROOM-32D](https://www.flux.ai/vasyl/esp32-wroom-32d~7py.md) - Datasheet URL: https://www.espressif.com/sites/default/files/documentation/esp32-wroom-32d_esp32-wroom-32u_datasheet_en.pdf - Part Type: Microcontroller - Manufacturer Name: Espressif Systems - License: https://creativecommons.org/licenses/by/4.0/ - Symbol Style: Parametric - Manufacturer Part Number: ESP32-WROOM-32D - Environment: Industrial (-40 °C to 85 °C, EMI class) **Pins:** - 3.3V [pin 2] - AGND [pin 39] - CLK [pin 20] - CMD [pin 19] - EN [pin 3] - GND [pin 38] - GND [pin 15] - GND [pin 1] - 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 32] - RXD0 [pin 34] - SD0 [pin 21] - SD1 [pin 22] - SD2 [pin 17] - SD3 [pin 18] - TXD0 [pin 35] - VN [pin 5] - VP [pin 4] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/unotech/usb-c-wifi-ble-th-sensor~qv](https://www.flux.ai/unotech/usb-c-wifi-ble-th-sensor~qv).* --- *Generated from [https://www.flux.ai/unotech/usb-c-wifi-ble-th-sensor~qv](https://www.flux.ai/unotech/usb-c-wifi-ble-th-sensor~qv)*