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Topic: Using calculator display for arduino. (Read 4987 times) previous topic - next topic

Ufoguy

Calculators are available cheaply for around a dollar. Can I use it's display with arduino. If yes how?
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johnwasser

See application note AVR241 from Atmel: "Direct driving of LCD display using general IO":

http://atmel.com/dyn/resources/prod_documents/doc2569.pdf
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robtillaart

Or you can connect the buttons on the calculator to IO pins or relays or so to contol the device ... (nice project for a school)
Rob Tillaart

Nederlandse sectie - http://arduino.cc/forum/index.php/board,77.0.html -
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AWOL

Some of the interconnects on these cheap devices can be very hard to hack. You may find with the number you will wreck, it would be cheaper overall to buy a display.
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