PCF8574T I2C Interface 8-bit I/O expander The PCF8574/74A provides general-purpose remote I/O expansion via the two-wire bidirectional I2C bus (serial clock (SCL), serial data (SDA)).

The ELK Junior Arduino Uno case is equipped with a number of excellent features that include a custom moulded section for the LCD JEMshield++ together with a keypad, backlight, beeper, 2 relays ...

Posted in Arduino Hacks, classic hacks Tagged arduino, Arduino Uno, controllerless display, controllerless lcd, lcd ← Component Video For The Commodore 64 The Fine Art Of Restoring Matchbox Cars → ...