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xdavidhu | 1 month ago

I wish there were a way to put the chip & antenna inside (or behind?) the watch casing.

While this is really impressive, putting something in front of the faceplate breaks the great F-91W look and feel for me.

discuss

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jqpabc123|1 month ago

Or just forget the watch and casing and build an add-on to the strap to hold the NFC chip. This should work with any watch strap that isn't metal.

Similar project I did to carry a microSD memory card.

https://www.thingiverse.com/thing:6784665

jonhohle|1 month ago

Projects like ollee Watch seem to be able to stash it behind the front crystal or underneath the LCD.

xdavidhu|1 month ago

Ollee does that by replacing the original PCB. In this project the movement is kept original.

I recall the blog n-o-d-e did successfully put an NFC chip inside while also retaining the default PCB, so there is at least some free space in the case...

https://n-o-d-e.net/casio.html (0:56)