Handy Board : 466


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Subject:	Relationship between voltage and analog()
Newsgroups:	lugnet.robotics.handyboard
Date:	Sat, 1 Jun 1996 12:15:28 GMT
Original-From:	Hajime <hajime1@mech.t.u-tokyo.acSPAMLESS.jp>
Viewed:	1294 times

Hello! Would anybody please send me a mail letting me to know the relationship between the output of ananlog() function and the voltage ? For example, if my sensor works under the command "if (analog(0)>47) then ...." What would be the voltage ? Any formula for this calculation ? Thanks in advance

Message has 1 Reply:

		Re: Relationship between voltage and analog()
(...) The input voltage range is 0 to 5 v, and the output number range is 0 to 255. The relationship is linear, so 2.5v = 128 (for example) (...) to convert from the output # to the voltage, it would be 5v x (output # / 255) so 47 is about 0.92 (...) (28 years ago, 1-Jun-96, to lugnet.robotics.handyboard)

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