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Classic Monitor


Android app to monitor a Midnite Solar Classic charge controller

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Now available on Google Play at

The source code is now maintained on <>

Classic Monitor is a free status monitor for Midnite solar 's, Classic 150, 200, 250 Charge Controller. It is a Read Only Program, it does not write to the Classic.

The software is provided "AS IS", WITHOUT WARRANTY OF ANY KIND, express or implied.

Classic Monitor is NOT a product of Midnite solar, nor do they support this application!

If the app detects a Whizbang Junior current monitor, the State Of Charge will display along with a bi-directional current gauge.

Other features include a calendar view of the daily power readings and a chart view of power for the last 24 hours, plus a store and forward feature to upload data to <>.

Basic support for the Tristar MPPT charge controller from Morningstar.

Works with Android API level 10 (Gingerbread) and above.

Classic Monitor Web Site


Mobile, SCADA


Apache License V2.0


  • The gauge view is displayed in landscape mode, list view is displayed in portrait mode.
  • Gauge scale can be selected by tapping on a gauge (unless locked).
  • Can be setup to scan for the charge controller on the local subnet or a static IP can be used.
  • The calendar displays the energy harvested for each day along with an indication that the batteries have reached the float voltage setpoint.
  • If you have a WhizBangJr, the State Of Charge is displayed, tap on it and you get the big SOC view.
  • With the WhizbangJr, the battery current gauge is bi-directional to show the direction of current to the batteries, this value can be viewed in watts or amps.
  • The main power gauge includes a pair of indicators to show the state of the AUX ports.
  • A chart view of power for the last 24 hours
  • A store and forward feature to upload data to <>.


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