# Aeronodev1 ## Description Low-power consumer environmental sensor node with ESP32-S3 Wi-Fi/BLE, digital temperature/humidity sensing, USB-C 5 V default-sink input, reverse/OVP/UVLO/OCP protection, and regulated 3.3 V power for 0.5–3 A USB-C sources. ## Project Details - **Owner:** mattarcen - **Created:** 5/8/2026 - **Last Updated:** 5/8/2026 - **Visibility:** Public ## Key Components ### D54 — [SMBJ40A-Q](https://www.flux.ai/adrian95/smbj40a-q~j25.md) - Role Details: Unidirectional TVS connected from protected VIN (VINS) to GND after F5; 40V standoff above 36V maximum normal input. - Part Type: Diode - Manufacturer Name: Bourns Inc. - Manufacturer Part Number: SMBJ40A-Q - Role: Input transient voltage suppression - Max Reverse Voltage: 40V - Voltage Rating: 40V - Breakdown Voltage: 44.4V - License: https://creativecommons.org/licenses/by/4.0/ - Datasheet URL: https://www.bourns.com/docs/Product-Datasheets/SMBJ-Q.pdf - Diode Type: TVS **Pins:** - A [pin 2] - K [pin 1] ### F5 — [SMD050F-2](https://www.flux.ai/adrian95/smd050f-2.md) - Datasheet URL: https://www.littelfuse.com/assetdocs/littelfuse-ptc-smd-datasheet?assetguid=e664881a-0c68-4836-928b-7ed2f0c2a6da - Role Details: Series PTC fuse from raw VIN to protected VIN (VINS); selected 60V-rated in-library option for 7–36V input. - Current Rating: 0.5A - Mount: Surface Mount - Role: Input overcurrent protection - Manufacturer Part Number: SMD050F-2 - Part Type: Circuit Protection Devices - License: https://creativecommons.org/licenses/by/4.0/ - Voltage Rating: 60V - Manufacturer Name: Littelfuse **Pins:** - ~ [pin 2] - ~ [pin 1] *The full schematic, PCB layout, bill of materials, and interactive design are available at [https://www.flux.ai/mattarcen/aeronodev1~w8](https://www.flux.ai/mattarcen/aeronodev1~w8).* --- *Generated from [https://www.flux.ai/mattarcen/aeronodev1~w8](https://www.flux.ai/mattarcen/aeronodev1~w8)*