I first saw this from the Hackaday article (The Casio Smartwatch You Never Had) - https://hackaday.com/2022/07/20/the-casio-smartwatch-you-never-had/ https://ha

I first saw this from the Hackaday article (The Casio Smartwatch You Never Had) - https://hackaday.com/2022/07/20/the-casio-smartwatch-you-never-had/ https://hackaday.com/2022/07/20/the-casio-smartwatch-you-nev... Hackaday is something I'd definitely recommend to the average HN reader if they like the hardware side of things. I'd also recommend N-O-D-E's channel for anyone interested in such things, here's his video on his F91 mod: https://youtu.be/cvtvm7N_qj4 https://youtu.be/cvtvm7N_qj4