OpenSprinkler Forums Hardware Questions DIY Kit Assembly Questions Arduino LCD displays weird character after a while Reply To: Arduino LCD displays weird character after a while

#44639

Ray
Keymaster

Hi, I will need to know which type of LCD you have on your OpenSprinkler. The older versions (from 1.x to 2.2) use LCD1602 with 16 pins and direct IO access. The more recently OpenSprinkler 2.3 uses I2C type with 4 pins (same LCD1602 but with a circuit board at the back to provide I2C interface).

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