Regarding product sku.138616 , i cant get this display to work using an arduino uno. the display i received has an other i2c driver on the back text says GY-LCD-V1 on the back. The spec write it uses i2c address 0x27, but when i run an i2c scan it shows up at 0x20. After changing to this address …

No text on I2C lcd serial blue 2004 from dx.com

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