edent
June 10, 2024, 12:05pm
1
I’ve finally got my Framework 16 - and a very small NFC reader board.
The board works with a USB-C OTG shim and almost fits in the laptop.
Full details at More thoughts on adding NFC to the Framework Laptop – Terence Eden’s Blog
So here are my next thoughts:
Can I (or someone else) desolder the USB-Micro plug and solder on a USB-C OTG plug?
Is having a protruding expansion going to be annoying or dangerous?
How hard would it be to replace the spacer and wire directly into the vacant USB pins under the numpad?
If you have answers to these questions - please let me know!
2 Likes
Putting in a custom nfc reader instead of a numpad does sound relatively doable.
lbohn
June 10, 2024, 12:51pm
3
This is very much work-in-progress but maybe it is already interesting for some of you.
[grafik]
The design files are here but there are some errata, e.g. SPI pinout is wrong on the flex PCB:
In short: We sneak a flex PCB below the macro pad to connect to the 2nd set of pogo pins. The flex PCB has pads for an RP2040-tiny board and it has the important parts of Waveshare’s adapter board for their 3.7’’ ePaper. We add a resistive touch screen and maybe an APDS-9960 gesture sensor.
On the sof…
Here is a community project replacing the touchpad spacers with an e-paper display. The relevant bit is they are successfully tapping into the unused pogo pins with a custom flex cable which routes down to the touchpad spacers.