gpioEXPANDER
gpioEXPANDER
The clickable and illuminating I2C controlled GPIO expansion board.
PCF8574 2.5–6V 8 Buttons 8 LEDs Arduino Library
Available on Tindie →
The clickable and illuminating I2C controlled GPIO expansion board.
An I2C controlled, breadboard friendly GPIO expansion board based on the Texas Instruments PCF8574 with builtin buttons and LEDs for prototyping.
Eight tactile buttons and eight controllable LEDs ready for prototyping.
Solder bridge pads allow each button to be configured as active-high or active-low.
Standard 0.1" headers slot neatly into a solderless breadboard.