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6892ecd9193c668b405c881e Waveshare AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins https://www.tenettech.com/s/59c9e4669bd3e7c70c5f5e6c/6892ecdb193c668b405c8820/waveshare-aw9523b-io-expansion-board-i2c-interface-expands-16-io-pins-2.jpg

AW9523B use I2C interface, allows using 4 expansion boards at the same time by modifying the i2c address, expand up to 64 I/O ports.

Pin configuration:

  1. VCC: Power input(3.3V/5V)
  2. GND: GND
  3. SDA: I2C Data input
  4. SCL: I2C Clock input
  5. INT: Interrupt output
  6. RST: Reset

Connect To STM32

WAVESHARE AW9523B IO Expansion Board details 9

Outline Dimensions:

WAVESHARE AW9523B IO Expansion Board details size

Features: 

  1. 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. Provides 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. Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)

Useful link:

To do Hardware and Software setup, please follow this tutorial.

Packages Includes:

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

 TT-RB-1300102
in stock INR
1 1
Waveshare-AW9523B-IO-Expansion-Board-I2C-Interface-Expands-16-IO-Pins-2.jpg

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

Sku: TT-RB-1300102
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Description of product

AW9523B use I2C interface, allows using 4 expansion boards at the same time by modifying the i2c address, expand up to 64 I/O ports.

Pin configuration:

  1. VCC: Power input(3.3V/5V)
  2. GND: GND
  3. SDA: I2C Data input
  4. SCL: I2C Clock input
  5. INT: Interrupt output
  6. RST: Reset

Connect To STM32

WAVESHARE AW9523B IO Expansion Board details 9

Outline Dimensions:

WAVESHARE AW9523B IO Expansion Board details size

Features: 

  1. 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. Provides 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. Comes with development resources and manual (examples for Raspberry Pi / micro:bit / Arduino / STM32)

Useful link:

To do Hardware and Software setup, please follow this tutorial.

Packages Includes:

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

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