I'm going through the Arduino Projects Book as an introduction to working with these boards, and am on the third project, and am wondering if this line of code is correct: float voltage = (sensorVal/1024.0) * 5.0; It's intended to map a range of 0-1023 to a range of 0-5, but wouldn't it give you (…

Error in "love-o-meter" temp sensor tutorial?

Paul_B April 7, 2014, 1:10am 6

AWOL:
(I'd multiply by five and then divide by 1024)

If only because it is so much easier.