Hi Folks,
I am currently working on a project where I want to get the data from a digital multimeter into an Arduino UNO.
There are two types of "connected" digital multimeters, some are connected via USB to a computer, and others are connected via Bluetooth to an app.
My question: ¿from which one will be easier to get the data from? ¿From a USB or a Bluetooth?
Thank you very much,
For the majority of Arduinos, if that is what you want to use to collect the data, using Bluetooth would probably be easier
Which Arduino do you plan to use ?
Does the DMM uses a open protocol to communicate via USB or BT ? If not, or the protocol doesn't known - you hardly be able to read the data from it.
I am open to anyone. But so far I thought of using an Arduino Uno R3.
The edge of the USB was that then i can use Bluetooth to transmit the data wirelessly (so far afaik you cant use bluetooth to connect to two devices - data emitter and data recevier - and you cant use Bluetooth and wifi simultaneously)
That's the neat part. I don't know.
But afaik Bluetooth does not encrypt data.
Bluetooth might not but the application used by the DMM might well do
The data may not be encrypted, but will almost certainly be packed in a binary format. Without an accurate description of the format, it can take a very long time to figure it out.
You need a multimeter, about which it is known that someone has already connected it to arduino and there are code examples.
The software used by the multimeter may be proprietary.
If you do not know what "question to ask " the multimeter , then it won't reply.
Thank you very much.
Yes, I thought the same. But I have been unable to find examples of people connecting a multimeter to Arduino.
I found out how to make a multimeter using Arduino, (via shield and without shield) but I expect to measure resistances close to the megaohm range so I am not sure if they are suitable for this application.
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