Microcontroller › 8051 › AT89C51 DS1307 ]- LCD only shows bars (updated : schematic and Photo. › Hi Rohan,Introduce a 1K
April 20, 2013 at 4:47 pm #9545
Introduce a 1K resistor in series with the 15th or 16th pin.
Most importantly make sure that your code is running on the microcontroller by trying to blink an led along with the current code.