Overview Highlights Support I2C protocol With backlight power control,you can set whether to connect the backlight power through the jumper cap. Plug in the jumper cap to connect the backlight power,unplug the jumper cap to disconnect the The contrast can be adjusted. Rotate the blue potentiometer to increase clockwise and decrease counterclockwise. The potentiometer is designed on the front,which is convenient for customers to adjust Modules can be cascaded,up to 8 can be cascaded. Modify the device address by shorting A0/A1/AThe default address is 0x27 Weight:5g Key Attributes Dimensions (Length x Width x Height) 10cm x 5cm x 2cm weight 0.05kg Stock Location Country of Origin Brand SUNSKY Shipment Information Weight per item 0.05 kg Dimensions per item (LWH) 10 x 5 x 2 cm Carton weight 0.06 kg Carton dimensions (LWH) 15 x 8 x 2 cm Pieces per carton 3 Stock location