Just tried the fat16AnalogLogger sketch using a potentiometer to generate ‘interesting’ input’.
IT WORKS! No idea about the benchmark - it might be running out of memory?
Now the question remains, was the Lexar card unsuitable, or what?
millis,sens0,sens1,sens2 8000,420,406,437 9000,419,399,361 10000,424,429,334 11000,424,439,381 12000,418,440,437 13000,417,395,402 14000,419,391,366 15000,422,387,330 16000,421,426,318 17000,424,440,418