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OpenMarine › OpenPlotter › General discussion v
Automation pHat as a Voltmeter?

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Automation pHat as a Voltmeter?
Alpenskipper Offline
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#10
2017-09-13, 08:34 PM (This post was last modified: 2017-09-13, 08:41 PM by Alpenskipper.)
(2017-09-13, 09:05 AM)PaddyB Wrote: Try this..

Upper_resistance =820000
Lower_resistance=120000

https://discourse-cdn-sjc1.com/business/...1e4879.PNG

Sent from my SGP511 using Tapatalk

Thanks for your hints!

not working Sad

   

With voltage divider set to "0" the voltage is 666V. I guess, there is some math with the data in the openplotter code, that does not fit the integrated voltage divider in the pHat.

When shortening ADS1 to ground, it shows 23,5V
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Messages In This Thread
Automation pHat as a Voltmeter? - by Alpenskipper - 2017-09-09, 10:01 PM
RE: Automation pHat as a Voltmeter? - by PaddyB - 2017-09-12, 10:24 AM
Automation pHat as a Voltmeter? - by Alpenskipper - 2017-09-12, 10:34 AM
RE: Automation pHat as a Voltmeter? - by Luckbert - 2017-09-12, 12:44 PM
Automation pHat as a Voltmeter? - by Alpenskipper - 2017-09-12, 01:26 PM
RE: Automation pHat as a Voltmeter? - by PaddyB - 2017-09-12, 04:13 PM
RE: Automation pHat as a Voltmeter? - by PaddyB - 2017-09-13, 09:05 AM
RE: Automation pHat as a Voltmeter? - by Alpenskipper - 2017-09-13, 08:34 PM
RE: Automation pHat as a Voltmeter? - by PaddyB - 2017-09-13, 08:39 PM

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