[simpits-tech] Help, I'm broke!

[wledzian1 at comcast.net]

I used a Max7219. Great little chip for driving up to 8 7-segment displays at a time, and fully daisy-chainable. There's nothing special about the 'circuit', it's more of a display-specific breakout board. The annoying bit for me is that each display package seems to have its own unique pinout - there's no real standard. I have a feeling I'll be respinning that board to split the outputs into rows and columns, along with a few sub-boards to individually break that out for various packages. 

-Wayne 
----- Original Message -----
From: "geneb" <geneb at deltasoft.com> 
To: "Simulator Cockpit Builder's List" <simpits-tech at simpits.org> 
Sent: Tuesday, July 23, 2013 7:21:56 PM 
Subject: Re: [simpits-tech] Help, I'm broke! 

On Wed, 24 Jul 2013, Roy Coates wrote: 

> Yeah, that's the one. But RS232 and set so you can daisy chain em on and 
> on and on and on. 
> 
> There's nothing out there that's sensible for driving 7-segment LED's. 
> Hagstrom almost had it licked with the LED-5 but they don't make'em any 
> more. Bastards! 
> 
Wayne designed a neat little circuit for this around an Arduino. I don't 
recall the chip he used though. It's pretty neat. Wayne? 

g. 

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