SKU:WSAL22132

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

AW9523B IO Expansion Board

Controlled via I2C Bus

Allows using 4 Expansion Boards at the same time, Expanding up to 64 I/O ports

Features At A Glance

• 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
Expanted I/O Pin	16
Dimensions	38x23mm

Header definition

Pin	I2C interface
VCC	Power (support 3.3V / 5V input)
GND	Ground
SDA	I2C data pin
SCL	I2C clock pin
INT	Interrupt output
RST	Hardware reset

Hardware Connection

Connect to Raspberry Pi

Connect to Arduino

Connect to STM32

Outline dimensions

Resources & Services

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WIKI:www.waveshare.com/wiki/AW9523B_IO_Expansion_Board

* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.

Lieferumfang

1. AW9523B IO Expansion Board x1
2. PH2.0 6PIN wire x1

1

2

• Vendor:

  WaveShare

• Tags: Brand_waveshare,  Compat_raspberry_pi,  Platform_raspberry_pi,  Sub_interface_expansion,  Sub_others,  Use_misc_modules