This is another great IIC/I2C/TWI/SPI Serial Interface. As the pin resources of for Arduino controller is limited, your project may be not able to use normal LCD shield after connected with a certain quantity of sensors or SD card. However, with this I2C interface module, you will be able to realize data display via only 2 wires. If you already has I2C devices in your project, this LCD module actually cost no more resources at all. It is fantastic for Arduino based project.
I2C Address: 0X20~0X27 (the original address is 0X20,you can change it yourself) Supply voltage: 5V the backlight and contrast is adjusted by potentiometer Come with 2 IIC interface, which can be connected by Dupont Line or IIC dedicated cable Compatible for 1602 LCD 2004 LCD Modul ini sangat berguna untuk mengurangi jumlah pin yang digunakan, jika hanya menggunakan LCD saja maka dibutuhkan minimal 6 pin. Apabila menggunakan modul ini kita hanya membutuhkan 2 buah kabel data menggunakan komunikasi I2C.
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