This driver is intended to be used with a 20x4 I²C LCD (arduino compatible) Exemple of these displays : http://hardware-libre.fr/wp-content/uploads/2014/03/02_1.jpg ...
LCD (Liquid Crystal Display) I2C (Inter-Integrated Circuit) is an easy-to-use display module, which can make displaying text easier. Using this module can reduce difficulties faced by makers, so they ...
While the Raspberry Pi has very good support for an I2C bus, a lot of very cool chips – including the in system programmer for just about every ATtiny and ATmega microcontroller – use an SPI bus.
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