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

WaveshareSKU: RB-Wav-654
Manufacturer #: AW9523B IO Expansion Board

Price  :
Sale price $8.32

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Stock  :
In stock, 3 units

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Description

  • Waveshare AW9523B IO Expansion Board, I2C Interface
  • Expands 16 I/O pins with I2C interface
  • Allows simultaneous use of four boards, up to 64 I/O ports
  • Supports 16-ch common anode constant current LED
  • Adjustable current and 256-step linear dimming
  • Compatible with Raspberry Pi, micro:bit, Arduino, and STM32

The Waveshare AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins features an I2C interface and expands 16 I/O pins. Controlled via the I2C bus, it allows the simultaneous use of four expansion boards, extending up to 64 I/O ports. The board supports driving 16-ch common anode constant current LED, 256-step linear dimming, and adjustable current.

It also provides an output interrupt (INT) signal upon input port state changes, I2C address reconfigurability via A0/A1 jumpers, and two connector options: PH2.0 header and solder pads. The onboard voltage translator is compatible with 3.3V/5V levels, and development resources and manuals are included for Raspberry Pi, micro:bit, Arduino, and STM32.

  • 1x Waveshare AW9523B IO Expansion Board
  • 1x PH2.0 6-Pin Wire

  • 38 x 23 mm (L x W)
  • Operating Voltage: 2.4 - 5.5 V
  • Operating Temperature: -40 - 85 °C
  • Low Standby Current: <0.1 µA
  • Controlling Interface: I2C
  • Expanded I/O Pin: 16
  • Weight: 1 g

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