USB-C Sensor Node

coyote302

coyote302

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 AI actions are unavailable for this account due to no remaining ACUs. No schematic, components, documents, or PCB changes have been made in this session; the project is still empty.
What remains to be done:
  • Create a project specification for the USB-C powered Wi-Fi/BLE temperature/humidity sensor node.
  • Select the MCU/module, likely an ESP32-class Wi-Fi + BLE 5.x module for consumer 2.4 GHz use.
  • Select a digital temperature/RH sensor, USB-C receptacle, power protection ICs, 3.3 V regulator, and passives.
  • Design the USB-C 5 V input with CC resistors, reverse protection, OVP, UVLO, OCP/current limiting sized for 0.5–3 A sources.
  • Add schematic, verify ERC/power budget, then proceed to PCB layout with antenna keepout and USB-C mechanical constraints.
Once ACUs are available, I can build the schematic and supporting design documentation directly in this project.
Create requirements doc
Recommend specific parts
Calculate power budget
USB-C power approach
No schematic yet

Talk to Flux to get started.

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