This is an example of a system for measuring 5 PTC temperature sensors and a flowmeter with a TTL NPN/PNP output.
To make the measurements we have used an arduino.
The data is displayed in a computer monitor, using processing.
If somebody is interested in this project or in renewable energy projects and products please visit http://www.solartroning.org or send an e-mail to eng@solartroning.org
Enjoy!
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