To extract information of electronic device to be manipulated with arduino

Hi,

How to extract information of a digital weighing machine to be able to manipulate or work with the information that this one delivers to us?

thank you!

Does the spec sheet for your device describe any interface?
Many scales only have one output, the LCD readout.
I cannot tell from the picture you attached it that scale supports any additional output.

vinceherman:
Does the spec sheet for your device describe any interface?
Many scales only have one output, the LCD readout.
I cannot tell from the picture you attached it that scale supports any additional output.

I tracked it down. Only has LCD output. No clue what the OP thinks.

Paul

Yeah, LCD display. Time to set a a vision system.

vinceherman:
Does the spec sheet for your device describe any interface?
Many scales only have one output, the LCD readout.
I cannot tell from the picture you attached it that scale supports any additional output.

I don't have the spec sheet but. I know it has just one output for the LCD screen.

So you either open it up and try and reverse engineer it. Or get something that has an interface output.

While you can read the individual segments of an LCD display, it is complex and hardly worth the bother.

Discard that scale and buy one with RS232 output, provided it comes with sufficient documentation so you know how to communicate with it (not just some proprietary Windows software). And buy a MAX232.

Or, hack that one and just use its load cell with something like an HX711.