A software developer shares his journey of creating a specialized smartwatch prototype for his son with Type 1 diabetes, detailing the challenges of hardware development from PCB design to final assembly. The device successfully helps monitor blood glucose levels while avoiding the distractions of commercial smartwatches, though scaling to production proved challenging. Despite technical success, regulatory hurdles and manufacturing complexities ultimately led to considering an open-source approach.
https://andrewchilds.com/posts/building-a-t1d-smartwatch-from-scratch