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Dec 17, 2018 at 23:47 comment added Nur Syahzanani Huda Thank you everyone! The boxes have disappeared after I add the potentiometer.
Dec 17, 2018 at 17:07 vote accept Nur Syahzanani Huda
Dec 17, 2018 at 17:07 vote accept Nur Syahzanani Huda
Dec 17, 2018 at 17:07
Dec 17, 2018 at 17:06 vote accept Nur Syahzanani Huda
Dec 17, 2018 at 17:07
Dec 17, 2018 at 7:18 answer added Spehro 'speff' Pefhany timeline score: 0
Dec 17, 2018 at 5:41 comment added jsotola you can also use fingernail clippers to trim copper wire
Dec 16, 2018 at 19:38 answer added DoxyLover timeline score: 1
Dec 16, 2018 at 18:52 comment added Andrew Morton To trim excess wire, you want cutters that look like this pair.
Dec 16, 2018 at 16:05 comment added JRE Also, you should get and use a potentiometer for the contrast. The Arduino doesn't output a simple analog signal. "Analogwrite" sends a pulse width modulated signal. It is a bunch of pulses with two states: on (+5V) and off (0V.)
Dec 16, 2018 at 16:02 comment added JRE Write a simple program that only initializes the LCD and writes a simple text to the display. That will help you figure out if you have a software problem or a hardware problem.
Dec 16, 2018 at 15:59 comment added JRE Program code is always singular. "Codes" are what you use to open a keypad lock or to decode a secret message.
Dec 16, 2018 at 15:58 history edited JRE CC BY-SA 4.0
deleted 42 characters in body; edited title
Dec 16, 2018 at 15:55 comment added Solar Mike Before you attempt any more testing, I suggest you trim the excess wire that is not insulated to reduce the possibility of any short circuits...
Dec 16, 2018 at 15:50 review First posts
Dec 16, 2018 at 17:31
Dec 16, 2018 at 15:48 history asked Nur Syahzanani Huda CC BY-SA 4.0