USB-C Temperature and Humidity Sensor Design
Thought for 3 sec
I’m blocked from modifying the project because execution credits are unavailable, so I couldn’t add components, wire the schematic, or run validation.
Current project state:
- Empty schematic: 0 components, 0 nets.
- Project still has the placeholder name and default description.
- No design files or validation results have been created yet.
Recommended design plan when credits are available:
- Rename project to something like USB-C WiFi BLE Environmental Sensor Node.
- Use an ultra-low-power Wi-Fi + BLE 5.x MCU/module, likely an ESP32-C6 / ESP32-S3-class module depending on availability and power goals.
- Add a digital temperature/RH sensor over I²C, such as Sensirion SHT4x/SHTC3-class.
- USB-C receptacle configured as 5 V sink with CC pull-downs for default USB-C power.
- Add input protection for consumer use:
- reverse-current / reverse-polarity protection,
- overvoltage protection,
- undervoltage lockout,
- overcurrent protection sized for 0.5–3 A USB-C sources,
- ESD protection on USB-C exposed pins.
- Add regulated rails, likely 3.3 V for MCU and sensor, with power-path current budget first.
- Include all required decoupling, boot/config straps, pull-ups, antenna keepout, programming/debug header, reset/user button, and status LED.
- Validate against datasheets, run ERC, then proceed to layout only after schematic approval.
Find ESP32-C6 modules
Find SHT4x sensors
Save requirements note
Choose protection IC
Show block diagram
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