Temperature and Humidity Sensor Node Design

tingwang

tingwang

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’m blocked from executing design changes because this account currently has no available ACUs, so AI project mutation tools are unavailable.
Current project state:
  • New empty project: Controlled Teal TV Glasses
  • Components: 0
  • Nets: 0
  • No schematic, BOM, layout, or documentation has been created yet.
What remains to be done when ACUs are available:
  • Rename the project for the USB-C Wi-Fi/BLE environmental sensor node.
  • Select the MCU/module, digital temperature/RH sensor, USB-C receptacle, protection/power-path parts, and 3.3 V regulation.
  • Create the schematic with USB-C 5 V input, CC resistors, reverse/OVP/UVLO/OCP protection, 0.5–3 A source planning, MCU, sensor, decoupling, programming/debug, and test points.
  • Add power budget, firmware pin map, bring-up plan, and consumer/regulatory documentation.
  • Run ERC/design review, then proceed to PCB placement and RF-aware layout.
Create requirements doc
Find core parts
Draft power tree
RF layout constraints
Requirements and architecture
No schematic yet

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