- Description
Details
AW9523B IO Expansion Board, I2C Interface, Expands 16 I/O Pins
AW9523B IO Expansion Board
Controlled via I2C Bus
Allows using 4 Expansion Boards at the same time, Expanding up to 64 I/O ports
Features At A Glance
- 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)
Specifications
| Operating Voltage | 2.4-5.5V |
|---|---|
| Operating Temperature | -40-85℃ |
| Low Standby Current | <0.1µA |
| Controlling Interface | I2C |
| Expanted I/O Pin | 16 |
| Dimensions | 38x23mm |
Header definition
| Pin | I2C interface |
|---|---|
| VCC | Power (support 3.3V / 5V input) |
| GND | Ground |
| SDA | I2C data pin |
| SCL | I2C clock pin |
| INT | Interrupt output |
| RST | Hardware reset |
Hardware Connection
Connect to Raspberry Pi
Connect to Arduino
Connect to STM32
Outline dimensions
Resources & Services
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Weight: 0.01 kg
Quick Overview
- AW9523B IO Expansion Board x1
- PH2.0 6PIN wire x1
1
2
