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We are developing a reading system to check parameters of electrical pulses that are measured directly from the electrical network of a household, and for this to happen we need to read and archive these parameters for a month.
Would it be possible to do this with the Arduino(the data reading part is already ok)? What is the ideal form of storage?
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Yes, it is possible.
There are three very interesting ways to record the information generated by Arduino.
That’s the most basic way. You turn on the Arduino on a computer (via Serial RS-232) and make a program (simple script) that connects to the Arduino and saves the information in a text file. Suggested languages for this: Processing, Python or Groovy.
You can store information on Arduino using an SD card. There are modules, Shields and even Arduinos that already comes with an input to an SD card. In addition, existing libraries for writing and reading are very simple to use.
Notes on using SD with Arduino
Another very interesting option is to use Scadabr. Scadabr is a Java WEB application (to be run in Tomcat). This application can interpret several protocols, one of them being called Modbus (via Serial RS-232 or RS-485 or via Ethernet). So, you use a Modbus library in Arduino, turn on your Arduino via Serial on your computer with Scadabr and configure Scadabr to receive information from Arduino. The great advantage of this approach is that Scadabr can be used for various Arduinos and to log in the most different types of information. The sky is the limit.
Scadabr uses the Derby (Apache) database and it records the information. It is very simple to obtain a period of time. It even has graphics ready.
To give you an idea of the power of the combination of Arduino + Scadabr, in the company I work the maintenance team has developed a solution with this combination that allows you to reconnect an electric sub-station using the Scadabr.
If your Arduino can run near a computer and the problem you want to solve is punctual, go on Computer option via Serial. You’ll solve this very quickly.
If your Arduino should run away from a computer and you don’t have time to connect it via Ethernet or RS-485, then go by SD card option.
If you want a solution to suit various Arduinos and other types of devices that talk Modbus, go by Scadabr.
@Thank you very much man!! Helped very much I will talk to the team about their important solutions!!
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updated the reply with some more information. They may be useful.
– cantoni