Do you have any micro-controllers with thickness less than 0.76mm(the thickness of a credit card)?It should have a I2C communication port.Its for developing a smartcard.
Hi
See Kinetis® Mini MCUs: Wafer-Level Chip-scale Packages (WLCSP) based on ARM® Cortex®-M0+/M4 Core.
Best Regards,
Robin
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
---------------------------------------------------------------------------------------------------------------------