Waveshare AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins

Features1. I2C bus, allows expanding 16 I/O ports by just using two wires 2. Support driving 16-ch common anode constant current LED, 256-step linear dimming, current controllable 3. Output interrupt (INT) signal when changing the state of an input port 4. I2C address configurable by shorting the A0/A1 jumpers 5. Provide two connector options: PH2.0 header and/or solder pads, allows multi I2C modules to be stacked 6. Onboard voltage translator, compatible with 3.3V/5V level 7. Come with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)Specifications1. Working voltage: 2.4-5.5V 2. Working temperature: -40-85 degree c 3. Low Standby Current: Less than 0.1uA 4. Control interface: I2C 5. Expansion I/O pins: 16 6. Size: 38x23mmPackage List1. AW9523B IO Expansion Board x 1 2. PH2.0 6PIN wire x 1