USB-C powered low-power consumer environmental sensor node using a Wi‑Fi/BLE 5.x MCU module, digital temperature/humidity sensor, and protected 5 V USB-C input sized for 0.5–3 A sources.
Consumer USB-C powered low-power environmental sensor node using a Wi-Fi + Bluetooth LE MCU module, digital temperature/humidity sensor, USB-C 5 V input, and protected 3.3 V power architecture sized for 0.5–3 A USB-C sources.