Temperature and Humidity Sensor Design
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.
Thought for 4 sec
I can’t execute design changes right now because this account has no available ACUs, so AI project mutation tools are unavailable.
Nothing has been added to the project yet; it is still an empty draft project. To complete your request, the remaining work is to design a USB-C powered Wi‑Fi/BLE temperature-humidity sensor node with:
- USB-C 5 V input with CC pull-downs for default 5 V sink behavior
- Input protection: reverse protection, OVP, UVLO, OCP/current limiting
- 5 V to 3.3 V regulation sized for Wi‑Fi transmit current
- Ultra-low-power Wi‑Fi + BLE 5.x MCU/module, likely an ESP32-C3/S3-class module depending on requirements
- Digital temperature/RH sensor over I²C
- Programming/debug interface
- Decoupling, pull-ups, reset/boot circuitry, and test points
- Consumer-use documentation: power budget, bring-up plan, firmware notes, and regulatory considerations for the wireless module
Once ACUs are available, I can build the schematic, select components, wire it, add the required documentation, and verify the design.
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Manual BOM list
Regulator sizing
USB-C protection
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