USB-C powered low-power temperature/humidity sensor node with ESP32-class Wi‑Fi/BLE 5.x connectivity, digital T/RH sensing, USB-C 5 V sink input, and protected 3.3 V power path sized for 0.5–3 A sources.

Consumer USB-C powered environmental sensor node with ESP32-class Wi-Fi/BLE, digital temperature/humidity sensing, protected 5 V input, and low-power 3.3 V architecture.