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- 2What type of Arduino? On some pin 1 is one of the hardware serial pins. You can’t use that pin for other things like LCDs if you are using serial.Delta_G– Delta_G2020-06-26 01:07:58 +00:00Commented Jun 26, 2020 at 1:07
- @Delta_G The board is Arduino Uno and you are right. Changing the pin from 1 to 3 solved the issue. Tnx! I wonder how many of 846,000 viewers of this youtube had the same issue? youtube.com/watch?v=dZZynJLmTn8&pbjreload=101 :-)Guy– Guy2020-06-26 01:16:20 +00:00Commented Jun 26, 2020 at 1:16
- 1I will make it an answer. Please acceptDelta_G– Delta_G2020-06-26 01:20:27 +00:00Commented Jun 26, 2020 at 1:20
- @jsotola the question was downvoted so I thought perhaps I misrepresented the issue. I restored the previous title to your suggestion. tnx.Guy– Guy2020-06-26 02:02:33 +00:00Commented Jun 26, 2020 at 2:02
- somebody probably downvoted the post because you did not check which pins are used by the serial portjsotola– jsotola2020-06-26 02:11:50 +00:00Commented Jun 26, 2020 at 2:11
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