Nokia LCD Library

admin    All projects, Library     AVR, LCD, Library, Nokia

History

I found this LCD make for cellular phone Nokia 3310 by browsing the web at www.jelu.se. There is many interesting things about this LCD: low price, easy to interface via SPI port, can support graphic and text and consume low current.  The only thing that I did is writing code who gives you friendly functions to support this LCD.  The last version of the library only send the bytes who had changed since the last update. It's considerably reduce the refresh time who can be very important in a batteries powered system.

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Graphic LCD Library for SED1330

admin    All projects, Library     AVR, Graphic, LCD, Library, SED1330

History

This LCD is very different from the other standards text 2 x 20. This graphic and text LCD is 320 x 200 pixels. This LCD have differents memories map for the text and graphic region.  If you buy this LCD in a "real" electronic store you will pay like 400$ each but you can find it brand new in a surplus store for 50$!!!.  I used this LCD in a major project to display charts and a lots of information collected around my house: temperature, humidity, wind speed, etc. This LCD is perfect for project that needs  to display a lot of information.
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Text LCD Library

admin    All projects, Library     AVR, LCD Library

History

What can we say about a standard text LCD? Nothing else then for 90% of your project you usually begin with this LCD. With those friendly functions you will be able to begin your projects without loosing time writing code for the LCD.

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OneWire Library

admin    All projects, Library     AVR, Dallas, Library, Maxim, OneWire

History

The OneWire protocol which in fact needs two wires (data and ground) is fantastic for many reasons: you can have a very long cable (250 feets), you can have multiples of devices on this cable and with a simple code you can poll those devices to get temperature, voltage, switch position, wind speed, etc.

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