20x4 Characters lcd module blue
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Total price:€ 9,95Add to cart
This is a standard display with 4 lines of 20 characters. It has white text on a blue background and uses the HD44780 'parallel interface' chipset.
When you connect this module directly to the arduino, connect a resistor of 2K ohm to the contrast pin and 100 ohm to the backlight pin. Instead of the 2K contrast resistor, you can of course also connect a potentiometer to adjust the contrast.
With the LCD interface module the module can easily be controlled via the I2C protocol:
[product display] 10118 [/ product display]