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hi, my name julius..i have project to build up a pulse oximeter using msp430f149, i have build the board n downloader, i have bought the cable probe too..but i don't know how to finish the code and what type of lcd that i should to used...please help me to solve this problem, especially by the code problem..if any one ever build up the same thing like this, please help me to build the one..please answer my question and respond it to my mail at email@example.com
It's difficult to choose an LCD for you. It depends on what you want to make with it.
For instance, I have designed an ECG recording device using MSP430 recently.
As the display is just a way to verify that the signal is coming, it's not so important.
The result is here: ECG recorder
However, if you want an LCD that can be used for diagnostic, this is clearly not
Here are for a quite wide variety of applications.
If you need a low power device, take a black & white COG LCD. If not, then you
may choose a color device.
The original TI parallel port design discussed above was copied by Olimex with some slight changes. They make and sell the complete parrallel port unit for ~$16. Sparkfun is one of the distributors in USA. You could not build it yourself for $16. If you go to the olimex website they show the schematic for their version on their website.