problem in lcd interfacing | Microcontroller › 8051 › problem in lcd interfacing This topic has 1 reply, 2 voices, and was last updated 12 years, 5 months ago by Dexter. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts November 8, 2011 at 6:25 pm #1387 rahul bhatiaParticipant i am making a tachometer.. there are two problems 1) my lcd is not showing any data… it only shows black boxes… 2) my counter start counting as soon as i touch the output wire of my sensor.. even if there is no voltage at that point.. even the code given on this website of lcd interfacing is not showing any data??? guyz pls help me… i have to submit my project and it si not working… November 25, 2011 at 12:56 am #6878 DexterParticipant POST THE CIRCUIT DIAGRAM THAT YOU HAVE MADE OR ADJEST THE PRESET CONNECTER WITH THE PINS OF LCD 1,2,3 (mostly 10k) OR CHECK THE DIAGRAM BELOW wysiwyg_imageupload:3242: Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In