Temperature and Humidity Sensor Design

shkhabibullayev

shkhabibullayev

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 features are unavailable.
Current project state:
  • New empty project exists: Static Emerald Carbonite Freezer
  • Components: 0
  • Nets: 0
  • No schematic, PCB layout, or project documents have been created yet.
What remains to be done when ACUs are available:
  • Rename/describe the project as a USB-C powered Wi-Fi/BLE temperature-humidity sensor node.
  • Select core parts: low-power Wi-Fi/BLE MCU/module, digital T/RH sensor, USB-C receptacle, protection/load-switch/eFuse, 3.3 V regulator, passives, programming/debug connector.
  • Build the schematic with USB-C 5 V default sink behavior, reverse/OVP/UVLO/OCP protection, and 0.5–3 A source planning.
  • Add power budget, bring-up plan, firmware pin map, and consumer regulatory notes.
  • Verify ERC/DRC, then proceed to PCB placement/routing with RF antenna keepout and USB-C/power protection layout constraints.
Create requirements note
Recommend core parts
Draft block diagram
Calculate power budget
No schematic yet

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