USB-Powered Health Sensor Prototype

I need a compact, self-contained sensor device that lets a user plug in a single USB cable and instantly see two key readings on a tiny 0.96-inch OLED: blood-oxygen saturation and body temperature. The… (Budget: ₹12500 - ₹37500 INR, Jobs: Circuit Design, Electrical Engineering, Embedded Software, Embedded Systems, Firmware Development, Micropython, PCB Design and Layout, Product Development, Rapid Prototyping, Sensor Integration)