Description Simply the interface of 1602 to IIC, save more IOs, with this board you only need two IOs. This board is also supporting 2004A which is also available in our store. Product info: Supply voltage: 2.5-6V 41.5mm (length) * 19mm (W) * 15.3mm (height) IIC I2C Interface. Contrast back light can be adjusted by rotating the blue potentiometer, clockwise to increase, counterclockwise weakened. Potentiometer design on the front, enabling customers to freely adjust anytime 4-wire output Modules can be cascaded up to cascade 8. By short-circuiting A0/A1/A2 modify the device address. The default address is 0x27 With backlight power control, can be connected via jumper settings are backlight power. Plug the jumper to connect the backlight off, unplug the jumper to disconnect the backlight power Documentation: Code and schematic available here.
