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Adapter I2C/SPI for alphanumeric LCD
SKU:
i2c-spi-lcd
Weight:
9
g
Supplier:
A small adapter allowing to connect a LCD module through I2C or SPI.
Product is retired
Replaced by: I2C adapter for LCD HD44780 displays
Product has replacement:
I2C adapter for LCD HD44780 displays
Alphanumeric LCD modules are easy to pair with Arduino, but even in 4-bit mode they use too many valuable digital I/O pins. The solution could be connecting it with I2C or SPI protocol using an adapter (2 analog inputs for I2C or 4 digital for SPI).
Of course the standard LiquidCrystal library won't work with this adapter, so you have to use a modified by Adafruit version (available on GitHub).
About I2C/SPI adapter:
- assembly instructions http://www.ladyada.net/products/i2cspilcdbackpack/
- modified LiquidCrystal library on GitHub
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