Open charlespax opened 7 years ago
I think you looking for EMI filter and ESD protection to prevent damage on MCU. This IC integrate the emi filter and ESD protection circuit, designed for limited space applications.
See also the firmware issue https://github.com/PaxInstruments/PaxInstruments-LabWiz-firmware/issues/18
What protection should be on the SD card. There are some ICs specifically for this task.