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Topics - bradw

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Graphic LCDs / C12864WC - Capacitors
« on: July 31, 2014, 12:12:01 AM »

I purchased this COG LCD ( and the FFC30 adapter board ( with the hope that I can get it connected to a breadboard and arduino. This is my first time working with a COG LCD and I am not sure what capacitors I should use. Per the data sheet (, it states 1uF and 1uF-2.2uF caps are required. I did a search on digikey, jameco, radioshack and other sites and find hundreds of options matching this criteria. I ended up ordering these:

With everything hooked up, the display is not working right. It will flash 'hello world' and quickly dissolve away. I suspect the capacitors, as this is the piece I know the least about.

Could you verify these are ok to use or suggest what I should be using with this display?


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