Search found 2 matches

by javiec
Wed Aug 19, 2015 8:02 am
Forum: Display
Topic: Serial I2C LCD 1602 Module (HCARDU0023)
Replies: 44
Views: 33617

Re: Serial I2C LCD 1602 Module (HCARDU0023)

Currently shipped screens have a slightly modified I2C adaptor board on the back of them that defaults to 0x3F. I will add a note about this to the first post. For your problem you will need to use the V2.1 library from the first post. Don't use a library from anywhere else even if it has the same ...
by javiec
Tue Aug 18, 2015 5:37 pm
Forum: Display
Topic: Serial I2C LCD 1602 Module (HCARDU0023)
Replies: 44
Views: 33617

Re: Serial I2C LCD 1602 Module (HCARDU0023)

Hello, I have problems with my new LCD I2C adquiring today. The first of all, We try to use the Address 0x27 and this is wrong, I have used the Detecting i2c and It show 0x3F. I tried to use the two different Library, the attach in the first post and LiquidCrystal_V1.2.1 and in both cases the Displa...