// if all sensors measure more than 57
if (isMatch == false)
Either the comment is wrong or the code is wrong.
isMatch will be false if any of the sensors return less than 57. It will be true if all of the sensors return more than 57
// if all sensors measure more than 57
if (isMatch == false)
Either the comment is wrong or the code is wrong.
isMatch will be false if any of the sensors return less than 57. It will be true if all of the sensors return more than 57