You should post the data sheet for your single character LCDs. Very likely you need to set the new address on each LCD (one at the time) before using them on a I2C bus.
Cheers
Al.
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Re: Second I2C address not responding
You should post the data sheet for your single character LCDs. Very likely you need to set the new address on each LCD (one at the time) before using them on a I2C bus.
Cheers
Al.
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