Yes the addr pin is visible. Thank you for the suggestion. I will try to do it but pcf8574 might be hard to find here in the philippines. Though, there are available on I2C lcds which I might try to desolder. Haha. 
Yes the addr pin is visible. Thank you for the suggestion. I will try to do it but pcf8574 might be hard to find here in the philippines. Though, there are available on I2C lcds which I might try to desolder. Haha.