Check banglejs.com, the hw of the banglejs2 is exactly like an amazfit bip (which is great) but the firmware is open and programmable in js. Fyi the screen is transflective, which makes smartwatchces perfectly readable under sunlight without turning it on, like e-paper. It’s just lower in resolution bit it will last 30days without charging it.
Open-source ChatGPT rival launched by Stable Diffusion team | Digital Trends (www.digitaltrends.com)
Is the PineTime good enough for non tech-savvy people to use? (pine64.com)