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Topic: Want to ask opinion on using Arduino with multiple inputs (Read 568 times) previous topic - next topic

Nick Gammon

You can get analog multiplexer chips. For weather data you won't need thousands of measurements a second.

http://www.gammon.com.au/forum/?id=11976

shoulder202


You can get analog multiplexer chips. For weather data you won't need thousands of measurements a second.

http://www.gammon.com.au/forum/?id=11976


Thank you for your reply! :)

fungus

A chip like this will let you connect 8 analog devices to a single Arduino pin:

http://www.ti.com/lit/ds/scls464/scls464.pdf

(with three digital pins to select the source)
No, I don't answer questions sent in private messages (but I do accept thank-you notes...)

CrossRoads

Or if you want more resolution, then external ADC, such as MCP3208, 8 channels of 12 bit inputs, accessed via SPI.
Designing & building electrical circuits for over 25 years. Check out the ATMega1284P based Bobuino and other '328P & '1284P creations & offerings at  www.crossroadsfencing.com/BobuinoRev17.
Arduino for Teens available at Amazon.com.

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