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Main image of AW9523B IO Expansion Board, Expanding Up to 64 I/O Ports, I2C InterfaceAllows Using 4 Expansion Boards at The Same Time

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AW9523B IO Expansion Board, Expanding Up to 64 I/O Ports, I2C InterfaceAllows Using 4 Expansion Boards at The Same Time

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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; Onboard voltage translator, compatible with 3.3V/5V level; I2C address configurable by shorting the A0/A1 jumpers; I2C bus, allows expanding 16 I/O ports by just using two wires; Provides two connector options: PH2.0 header and/or solder pads, allows multi I2C modules to be stacked; Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Ardui / STM32)

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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: PH 2.0 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 / Ardui / STM32) Package includes 1. AW9523B IO Expansion Board x1 2. PH 2.0 6PIN wire x1
Resources download:
https: //www. waveshare. com/wiki/AW9523B_IO_Expansion_Board

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Brand	Fenvit

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First Listed on Newegg	August 28, 2026

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Item#: 9SIC7CYM5H6711