AW9523B I/O Expansion Board

Enhance Your Project with the AW9523B I/O Expansion Board

The AW9523B I/O Expansion Board is designed for developers seeking to enhance their projects with additional input/output capabilities. This board simplifies the process of expanding your system’s functionality, making it an essential tool for anyone working with microcontrollers like Raspberry Pi, Arduino, or STM32.

Key Features:

• I2C Bus Interface: Expands 16 I/O ports using only two wires, streamlining connections.
• LED Control: Supports driving a 16-channel common anode constant current LED with 256-step linear dimming and adjustable current control.
• Interrupt Signal Output: Generates an output interrupt (INT) signal when there’s a change in the state of any input port.
• Configurable Addressing: Easily configure the I2C address by shorting A0/A1 jumpers for flexible integration.
• Multiple Connector Options: Comes equipped with PH2.0 header and solder pads to allow stacking of multiple I2C modules.
• Voltage Compatibility: Features an onboard voltage translator that supports both 3.3V and 5V levels for versatile applications.
• Comprehensive Development Resources: Includes manuals and examples tailored for popular platforms such as Raspberry Pi, micro:bit, Arduino, and STM32.

Specifications:

• Operating Voltage Range: 2.4V to 5.5V
• Temperature Range: -40°C to +85°C
• Low Standby Current Consumption: Less than 0.1µA
• Control Interface Type: I2C
• Number of Expandable I/O Pins: 16
• Dimensions: Compact size of 38mm x 23mm

Package Contents:

1. One AW9523B IO Expansion Board
2. One PH2.0 six-pin wire

This expansion board is ideal for hobbyists and professionals alike who require efficient control over multiple devices while maintaining low power consumption.

Shipping
This product ships from China using different shipping carriers depending on the country you purchase from and will be delivered within 7–21 business days.

Payments
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Returns And Refunds
Sometimes we may require you to return the item to receive a refund in the uncommon situation it arrives defective. In other situations when it is proven that you did not receive the item due to circumstances such as shipping carrier issues etc., you can request a full refund to your payment method or alternatives such as PayPal or cryptocurrencies by contacting us through WhatsApp, email or contact form. Read our full Returns and Refunds Policy here.

How To Place An Order and Common Questions:
FAQ Page – Snug Wares