Common troubleshooting for LCD i2c module. https://youtu.be/phiRBAetH1U

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Common troubleshooting for LCD i2c module.

No Backlight
No Text Display

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I DONT KNOW HOW MUCH TIME I SPENT TRYNG TO SOLVE THIS....THX A LOT

saulosamorim
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Thank you soo muchhh May Allah reward youuu

perihangummadova
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Thanks man, that potentiometer solved my headache

Akash-oobx
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Thank you sooo much. I solved no text dlsplay in LCD...

EkdDkd
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Can the warning message 'WARNING: library LiquidCrystal I2C claims to run on avr architecture(s) and may be incompatible with your current board which runs on ESP8266 architecture(s)' cause the LCD to not display text?

dilkash