I2C /SPI Character LCD Backpack angular Be aware default setting of

Be aware default setting of the product is slave mode

3 mm Camera  metal  Head

Output Voltage:0

Product Advantages:

5m（related to the card or the environment）  Writing Rang(Max)：0

I2C /SPI Character LCD Backpack angular Be aware default setting ofThe LCD backpacks serve to solve the main problem with using LCD which is the large number of pins required to control the LCD. This is not only annoying but also occupy many useful pins of your Arduino or microcontroller that might be saved for another application. This LCD backpacks by Adafruit reduce the number of pins needed to connect to an LCD. By using simple i2c and SPI input output expanders we have reduced the number of pins (only 2 pins are