Temperature and Humidity Sensor Node Design

flashren001

flashren001

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.

flux

I've made a plan, and started work on it.
Add USB-C ESD
Use ESP module
Isolate sensor thermally
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trackable USB drive

trackable USB drive thumbnail
I am developing a trackable USB drive that utilizes 4G and GNSS technology, without relying on Bluetooth or Wi-Fi. When the USB drive is plugged into a computer, it begins charging its internal lithium battery while the positioning system remains dormant. Once unplugged, the positioning system activates and reports its location once per day.

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