In the Blackberry-keyboard-based project lineage story last week, I covered how a series of open-source projects turned into Beepy, a cool Linux PDA with a lively community. To me, it’s yet a… ...

This is an Arduino library for HD44780 LCD display, operated in 4 bit mode over I2C bus with 8-bit I/O expander PCF8574. arduino hd44780 arduino-library i2c-bus liquidcrystal i2c-display pcf8574 ...