Hi.. my LCD display row of block in first row after i click serial monitor on arduino software. before this, the LCD is okay. my project is rain sensor with ethernet shield . already check there is no solder problem and wired up correctly. this is my coding. please help me #define RELAY1 7 #includ…

LCD

anon59909585 May 19, 2018, 2:12pm 3

what i need to do if i dont want to use serial.

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