Bypass capacitors, sounds like the Arduino finds the card... Perhaps reading anything else is problematical due to lack of bypass capacitors... .1 and perhaps a local 4R7 on the 3V3 side?
Bob
Bypass capacitors, sounds like the Arduino finds the card... Perhaps reading anything else is problematical due to lack of bypass capacitors... .1 and perhaps a local 4R7 on the 3V3 side?
Bob