WAVE-22132, AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins

The WAVE-22132 is an expansion board that adds 16 I/O to your controller. It's compatible with the raspberry pi, Arduino and STM23 Boards. 

FEATURES

• I2C bus, allows expanding 16 I/O ports by just using two wires
• Support driving 16-ch common anode constant current LED, 256-step linear dimming, current controllable
• Output interrupt (INT) signal when changing the state of an input port
• I2C address configurable by shorting the A0/A1 jumpers
• Provides two connector options: PH2.0 header and/or solder pads, allows multi I2C modules to be stacked
• Onboard voltage translator, compatible with 3.3V/5V level
• Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)

SPECIFICATIONS

• OPERATING VOLTAGE: 2.4-5.5V
• OPERATING TEMPERATURE: -40-85℃
• LOW STANDBY CURRENT: <0.1µA
• CONTROLLING INTERFACE: I2C
• EXPANDED I/O PIN: 16
• DIMENSIONS: 38x23mm