what’s going on with the battery? It looks like you just peeled the sticker off the Framework 13’s battery and stuck it on top of the MacBook one.
no? theres another sticker on top of the framework battery
also you can’t peel off the fw battery sticker its printed onto the batterys casing
Great work, any plans on sharing the designs for others to tinker with?
I’ve hollowed out the original battery and put two framework batteries stacked on top of each other in there. Just put the sticker back for extra isolation.
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No, I will not. Too much potential for headache when I do.
That keyboard adapter sounds intriguing – is it easy to reverse engineer and did you need a dead rMBP to harvest the chip from?
K3n.
Its not difficult to build but it takes some time. And yes you will need a Macbook for this. The main IC is an off the shelf part but I would not know where to get the program on it from. For the most part you can just copy the schematics from apple and pull necessary lanes to ground and vcc. But if you want do do this make sure to copy the schematic for the exact model of macbook you take the IC from, they dont all have the same pinout.
If you knew the pinout which presumably you do then you could just program a microcontroller to translate the signals and send them over ordinary USB.
This is incredibly cool. Huge respect for making those custom conversion PCBs, that’s incredible.
How is daily usage on a modern OS with the trackpad? 
Its better than the trackpad on my old notebook (2020 Clevo). Only has native support on linux though, dont know where you would get the drivers for windows.