Hi Friends.. when i connect my JHD 162A lcd with arduino2560 i just want to test contrast but it not working i connect pot with pin 3 and also use led to cnfirm thats the pot is working. pot work good but contrast not changed :disappointed_relieved: any suggestion??

Help Needed in lcd JHD 162A interfacing with arduino2560

system July 17, 2014, 1:19am 2

use 10k or heigher pot it will work

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