Jon:
Use the Motorola MC14499 or MC14489 driver.
Both have SPI /Microwire 3 wire interface. With the
MC14489 you can drive 28 lamps or bar graph
elements or five  7-segment LEDS. Mount the driver on your display
board and you have the equivalent of a LCD module. The drivers
can be serially chained for larger displays

Roger

Hi,

I would like to use an LED or LCD module in an automotive application.
The
module would be mounted in the passenger compartment and subject to
ambient
temperatures in Arizona of 150 deg F. I don't believe a LCD can take that
temperature. I don't want to use 8 I/0 pins to drive LEDs. Any
suggestions?

I was thinking of the digital instrument panels. Does anyone make an LED
module that has a similar interface like an LCD? I want to make a digital
fuel
gauge, maybe use a bar graph. In addition I would like to display "Fuel
Level"
or other measured parameters.

I know you can think of something.

Jon

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