On 3/30/2017 11:22 AM, Chuck Guzis via cctalk wrote:
I'll offer a suggestion that if your SD card
*must* be a significant
distance from its host, that you employ a small MCU at the SD card and
use a more noise-immune protocol to transmit data to the host.
Small MCUs today are very inexpensive.
GO ANALOG ... ONLY A LITLE BIT OF A PROBLEM. :)
--Chuck
Well that does not solve the ring, but off loading
the SD card is a good idea, if you have the software
time for a new cpu. Most of the time upper managment
drags thier feet, unless they want it yesterday.
Ben.