Temperature and Humidity Sensor Node Design

jpkrajacic

jpkrajacic

Make me a temperature and humidity sensor node with Wifi and Bluetooth, powered by USB-C (5V) for consumer use.
It should be a low-power environmental node with a digital T/RH sensor, ultra-low-power MCU with Wi-Fi + Bluetooth (dual-radio) — 2.4 GHz 802.11 b/g/n plus BLE 5.x powered by USB-C (5 V) — USB-C receptacle 5 V default; include reverse/OVP/UVLO/OCP protection and plan for 0.5–3 A sources.

flux

I can’t execute design changes right now because this account has no available ACUs, so AI project mutation tools are unavailable.
Current project state:
  • New empty project: Integrated Blue T-800
  • Components: 0
  • Nets: 0
  • No schematic, PCB layout, or documentation has been created yet.
What remains to be done once ACUs are available:
  • Create the project specification for a USB-C powered Wi-Fi/BLE temperature and humidity sensor node.
  • Select the MCU/module, likely an ESP32-class low-power Wi-Fi + BLE 5.x module.
  • Select a digital temperature/RH sensor, USB-C receptacle, input protection, OVP/UVLO/OCP/load switch or eFuse, and 3.3 V regulator.
  • Build the schematic with USB-C 5 V default power, CC resistors, protection, power regulation, MCU, sensor, decoupling, boot/programming support, and test points.
  • Add regulatory/consumer-use notes, firmware pin map, and board bring-up plan.
  • Verify ERC/design rules before moving to PCB layout.
Create project spec
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Pin map checklist
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Minimal BOM

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