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Topic: Using calculator display for arduino. (Read 11818 times) previous topic - next topic


Calculators are available cheaply for around a dollar. Can I use it's display with arduino. If yes how?
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See application note AVR241 from Atmel: "Direct driving of LCD display using general IO":

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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

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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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