Comment on Hacking a Casio F-91W digital watch (2023)Comments−jqpabc1238moInteresting --- but it looks like a lot of unnecessary work to me.Forget modifying the watch itself. Instead, build a strap add-on to hold the NFC payment chip and antenna.Here is a project where I did something similar to carry a microSD memory card.https://www.thingiverse.com/thing:6784665−mrb8moNothing was unnecessary since the goal was having fun & learning.
Comments
Interesting --- but it looks like a lot of unnecessary work to me.
Forget modifying the watch itself. Instead, build a strap add-on to hold the NFC payment chip and antenna.
Here is a project where I did something similar to carry a microSD memory card.
https://www.thingiverse.com/thing:6784665
Nothing was unnecessary since the goal was having fun & learning.