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- Fri Jul 10, 2015 4:36 pm
- Forum: Display
- Topic: 2004 20x4 I2C Serial LCD Module (HCMODU0010)
- Replies: 54
- Views: 173151
Re: 2004 20x4 I2C Serial LCD Module (HCMODU0010)
To hopefully save someone else some grief - I've just purchased one of these modules from the hobby components ebay store, and found that the I2C address was set to 0x3F, not 0x27 as per the examples I've seen (identified using an I2C scanner Arduino sketch). I was in the fortune position of replaci...