Lcd 21 pin problems

[theassalt]

Hi guys, I'm new here. I'm looking to find a solution about a 21 pin display. Let try to explain better.

How is possible to see from this 2 picture I would like to reuse this lcd with 7 digits. I suppose that is a 7 segment display, but I'm not sure. There are 21 pins but I can't understand what type of library I have to use and how I have to connect it to my Arduino board. Note that now the display is separated from the card, so I have 21 pins on the plastic transparent support.

Thanks for all the support guys.
Bye
Alex

[theassalt]

Here it is the other picture

[er_name_not_found]

That's an interesting challenge. Looks like there are 50 segments on that display so the pins probably represent a 2D array with some common pins.

[gilshultz]

The best solution is to find a controller that will drive the display or a display with a controller that will do what you want. The LCD must have all of its signals average 0 volts. Putting DC on them will polarize the segment and cause it to stick on or off and drastically reduce its life. I know it is not the answer you want but I do not believe you have the skill set needed to accomplish this. Try this link: Segment LCD Displays: avoiding excessive DC component - Focus LCDs