I don't know what the deal is. I have probably bought 5 different character LCD screens thinking I have bought the wrong one.
I got this one:
http://shop.moderndevice.com/products/3-3v-16-x-2-blue-lcd-character-display
and they don't have a datasheet for it. They just give you the datasheet for the 5volt version. Which is kind of lame. I got it hooked up to a power supply and the LED turns on. Someone told me I should unhook everything but the LED pins and be able to adjust the voltage on the contrast pin in order to get little black boxes in each character cell to ensure that the contrast is set. I tried this today and couldn't get anything. Blank the whole time.
I got sick of not having a descent datasheet so I got this from newHaven:
http://www.mouser.com/ProductDetail...6HZ-FSW-FBW-3V3C/?qs=vP5Xzybgy4ksLh/D8p2s1Q==
I hooked this thing up to a power supply and I couldn't even get the LED to light up at all. On the bright side, there isn't a contrast pin I have to deal with so that is a load off my shoulders.
I really need to figure out how to write to one of these things. I am going to drive it with an MSP430 microcontroller and I posted my c code to test the display on the MSP430 forum and it seems sound. I am just struggling with all the hardware I guess (which seems like it would be the easy part).
I got this one:
http://shop.moderndevice.com/products/3-3v-16-x-2-blue-lcd-character-display
and they don't have a datasheet for it. They just give you the datasheet for the 5volt version. Which is kind of lame. I got it hooked up to a power supply and the LED turns on. Someone told me I should unhook everything but the LED pins and be able to adjust the voltage on the contrast pin in order to get little black boxes in each character cell to ensure that the contrast is set. I tried this today and couldn't get anything. Blank the whole time.
I got sick of not having a descent datasheet so I got this from newHaven:
http://www.mouser.com/ProductDetail...6HZ-FSW-FBW-3V3C/?qs=vP5Xzybgy4ksLh/D8p2s1Q==
I hooked this thing up to a power supply and I couldn't even get the LED to light up at all. On the bright side, there isn't a contrast pin I have to deal with so that is a load off my shoulders.
I really need to figure out how to write to one of these things. I am going to drive it with an MSP430 microcontroller and I posted my c code to test the display on the MSP430 forum and it seems sound. I am just struggling with all the hardware I guess (which seems like it would be the easy part).