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Hiii Friends...., I am Trying to Build Components tester Using Arduino Specifically Atmega328p Chip . I Downloaded The Ardutester Millenium Code From Here .. https://create.arduino.cc/projecthub/plouc68000/ardutester-millenium-the-ultimate-uno-mega-versions-c81db4

Edited Makefile.h By Enabling i2c lcd Interface And Adding My I2c Lcd Adress ... But it wont work

I tried On Uno And Mega Also Serial Monitor Output seems ok But It Doesnt Display anything on 16*2 lcd

Thanks ...... :) enter image description hereenter image description here

Code is available at that page sir... Thanks for your reply

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    please add minimal code that exhibits the problem to your post ... also include the wiring diagram that you used to connect the modules – jsotola Aug 1 '20 at 16:43
  • "By Enabling i2c lcd Interface And Adding My I2c Lcd Adress ... But it won't work", based on your schematic, it doesn't seem to be a I2C interface... Also please add your code. – hcheung Aug 3 '20 at 8:01
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The schematic you posted is not for I2C. You have a connection to the regular 2x16 LCD character display. For the I2C an SSD1306.

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