so I have been trying to make a simple hand wash timer but something is off int trigger=13; int echo=12; int pingtime; int t=10; int sec=2000; int led1=11; int led2=10; int led3=9; int led4=8; int led5=7; int led6=6; int led7=5; int led8=4; int led9=3; int led10=2; void setup(){ p…

Help with trouble shooting

lalit_creations August 23, 2021, 6:33am 15

and one last thing can you suggest me a book or a website where i can learn the ide from

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