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    购买 PCF8574 LCD I2C

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    $4.65
    LCD1602 I2C LCD Module Display Screen Module Blue Screen PCF8574 Adapter Plate
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    LCD Display Board Module 1602 2004 12864 PCF8574T PCF8574 IIC/I2C Interface Adapte Plate 5V
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    $1.40
    LCD Display Board Module 1602 2004 12864 PCF8574T PCF8574 IIC/I2C Interface Adapte Plate 5V
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    1X LCD1602/2004A LCD Display 5V Blue Screen Soldering Pin PCF8574 IIC/I2C Module
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    1-10PCS PCF8574 LCD Adapter Converter Module IIC I2C LCD1602 2004 IIC Serial Interface Board 5V For
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