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Waveshare AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins
The Waveshare AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins by WAVESHARE is a value-for-money usb interface module designed for everyday users. It features Model No. / Name: Expansion Board and Interface: I2C.
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About This Product
The Waveshare AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins by WAVESHARE is a value-for-money usb interface module designed for everyday users. It delivers reliable performance at an accessible price.
Key Specifications
- Model No. / Name: Expansion Board
- Interface: I2C — compatible with modern devices
- Operating Temperature (°C): -40-85℃
- Current (A): <0.1µA
- Dimensions (L x W x H) mm: 38x23mm
- Shipping Weight: 0.01 kg
- Shipping Dimensions: 9 × 7 × 1 cm
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- VCC: Power input(3.3V/5V)
- GND: GND
- SDA: I2C Data input
- SCL: I2C Clock input
- INT: Interrupt output
- RST: Reset
Connect To STM32
Outline Dimensions:
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: 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)
