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TCA9548A I2C 8-Channel Multiplexer Breakout Expansion Board
$0.4700
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SKU
COM-05-067
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MCP23017-E/SS 16-Channel I/O Expansion Module - I2C Interface Previous 
The TCA9548A I2C 8-Channel Multiplexer Breakout Expansion Board expands a single I2C bus for multiple devices. It is designed for use with a microcontroller, Raspberry Pi, Arduino, or similar devices when multiple I2C sensors or peripherals need to share one bus. The board helps manage channel selection and reduce address conflicts on the I2C bus. Its compact form makes it suitable for embedded electronics and robotics projects. The module includes an input enable pin for control.
Features of TCA9548A I2C 8-Channel Multiplexer Breakout Expansion Board - 3.3V, 5V
- I2C bus expansion
- 8 selectable channels
- Digital channel control
- Address conflict reduction
- Compact design
- Input enable pin
Specifications of TCA9548A I2C 8-Channel Multiplexer Breakout Expansion Board - 3.3V, 5V
- I2C multiplexing
- Based on TCA9548A IC
- 8 channels
- Digital control
- 3.3V compatible
- 5V compatible
- I2C address configuration
- 3V DC
- 5V DC
- Input enable pin
- Operating temperature: -40 to +85 degrees Celsius
- Size: 30x21x2 mm
- Weight: 3 g
How to Use TCA9548A I2C 8-Channel Multiplexer Breakout Expansion Board - 3.3V, 5V
- Connect the board to the main I2C bus.
- Attach the I2C devices to the available channels.
- Use digital control to select the active channel.
- Verify voltage levels and connections before operation.
More Info
- Plan I2C bus layout and device addressing carefully.
- Use the input enable pin as required by your design.
| Platform | Arduino, Raspberry Pi |
|---|---|
| Interface Type | I2C |
| Operating Voltage (V) | 3.3V, 5V |
| Operating Temp (°C) | -40 to 85 |
| Dimensions (mm) | 30x21x2 mm |
| Data transmission rate | 400kbps |
| Weight (g) | 3 |
| Channels | 8-channel |
| Voltage Levels | 3.3V, 5V |
| Chipset | TCA9548A |
| Application | Address conflict resolution, I2C bus expansion |
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