# 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:** lbergelt - **Created:** 7/25/2026 - **Last Updated:** 7/25/2026 - **Visibility:** Public - **Connectivity:** WiFi - **Power Requirements:** USB-C - **Domain:** Consumer IoT - **Operating Voltage:** 5V - **Connectivity:** Bluetooth ## Key Components ### U1 — [Seeed Studio XIAO ESP32C3](https://www.flux.ai/seeedstudio/seeed-studio-xiao-esp32c3~b0.md) - Manufacturer Part Number: 113991054 - Purchase Url: https://www.seeedstudio.com/Seeed-XIAO-ESP32C3-p-5431.html - Manufacturer Name: Seeed Studio - Datasheet URL: https://files.seeedstudio.com/wiki/XIAO_WiFi/Resources/esp32-c3_datasheet.pdf - Part Type: Microcontroller **Pins:** - 3V3 [pin 12] - 5V [pin 14] - D10_MOSI_D10 [pin 11] - D7_RX_GPIO20 [pin 8] - D8_SCK_GPIO8 [pin 9] - D9_MISO_GPIO9 [pin 10] - GND [pin 13] - GPIO2_A0_D0 [pin 1] - GPIO21_TX_D6 [pin 7] - GPIO3_A1_D1 [pin 2] - GPIO4_A2_D2 [pin 3] - GPIO5_A3_D3 [pin 4] - GPIO6_SDA_D4 [pin 5] - GPIO7_SCL_D5 [pin 6] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/lbergelt/usb-c-wifi-ble-th-sensor~5w](https://www.flux.ai/lbergelt/usb-c-wifi-ble-th-sensor~5w).* --- *Generated from [https://www.flux.ai/lbergelt/usb-c-wifi-ble-th-sensor~5w](https://www.flux.ai/lbergelt/usb-c-wifi-ble-th-sensor~5w)*