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My Account My Orders My Wishlist My Coupons My Points My Referrals BGpayjinrys Thank you, this saved my day (I already lost few hours finding solution for non-responding LCD). Link to this sketch is https://playground.arduino.cc/Main/I2cScanner (may be on other websites too). After changing LiquidCrystal_I2C lcd(0x27,16,2); to LiquidCrystal_I2C lcd(0x3F,16,2); LCD works.
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