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Smart Electricity Meter, Wifi Energy Monitor icon

Smart Electricity Meter, Wifi Energy Monitor

1.0.0RC for Android

The description of Smart Electricity Meter, Wifi Energy Monitor

'Energy Monitor' provides electricity reading information in real time on any computer or phone.
It gathers electricity usage information from your meter

It evaluates frequency of any LED which flashes.
It can be used with your electricity meters which flash every time as a Watt Hour is consumed.
It requires an old smartphone with cam, it must be fixed on the device.

The duration of this light pulse is small and around 20ms.
The frequency of pulses is proportional to the electrical consumption.
Frequency is analyzed to take into account the occasional failures of the camera.
Image is fully analysed periodically to perform a 'remanence' calibration to take into account slow luminosity fluctuations.

This application can be used by old smart phone and it used phone'cam.
This application includes a webservice, so any internet browser can be used to follow-up consumption.
Json Response Widgets can be installed on a second phone to show the consumption on your phone' wallpaper.
Home automation tools can use the webservice too.
It don't send any data on internet.

Phone must have access to your WIFI to share consumption data in real time with your own computer or second phone.
Html Graphs are available to know the state of your electric consumptions and to act to optimize them.

Procedure for the using of the instantaneous power :
1) Install the application on your old phone
2) Take some cardboard to build a box where it will be simple to put your old phone. Some openings are required for webcam, for screen and for power cable.
3) When cardboard box is ready , you can fix it with sticky tap, making sure that the camera can see the blinking LED, and make sure that you can can easily put and remove the phone in the box.
4) Press the button to start service
5) Wait several minutes and follow the states on another phone or computer using internet address shown in screen.

Always make sure that the web interface is only reachable from "trusted/local" networks.
The smartphone must operate independently and without user intervention.
It is therefore necessary to disable all updates of other android components that may open windows inopportune for a user confirmation ...
It should also be checked that the phone is well ventilated, under penalty of overheating.
You should not put a smartphone near any device that would be sensitive in any way to wifi.
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Smart Electricity Meter, Wifi Energy Monitor 1.0.0RC Update

First version 1.0.0

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