TCA9548A 1‑to‑8 I2C Multiplexer Module 8‑Channel IIC Expansion Board for Arduino ESP32 STM32 Sensor Projects

TCA9548A 1‑to‑8 I2C Multiplexer Module 8‑Channel IIC Expansion Board for Arduino ESP32 STM32 Sensor Projects

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$5.63
Sale price  $5.63 Regular price  $0.00
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TCA9548A 1‑to‑8 I2C Multiplexer Module 8‑Channel IIC Expansion Board for Arduino ESP32 STM32 Sensor Projects
TCA9548A 1‑to‑8 I2C Multiplexer Module 8‑Channel IIC Expansion Board for Arduino ESP32 STM32 Sensor Projects
$5.63
Sale price  $5.63 Regular price  $0.00
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Description

SPECIFICATIONS

Brand Name: NONE

Condition: New

High-concerned chemical: none

Origin: Mainland China

Type: Module

Detailed Description

This TCA9548A multiplexer module is designed to expand the number of I2C devices that can be connected to a single microcontroller. When multiple sensors or modules share the same I2C address, they cannot be used on the same bus. The TCA9548A solves this by providing 8 selectable downstream channels, each isolated from the others.

The module communicates through a standard I2C interface and supports multiple address configurations via the A0–A2 pins. It is widely used in robotics, environmental monitoring, multi‑sensor arrays, and advanced development projects.

Its compact PCB design and clear pin labeling make it easy to integrate into both beginner and professional applications.

Technical Specifications

  • Chip: TCA9548A

  • I2C Channels: 8 independent channels

  • Interface: I2C (SDA / SCL)

  • Operating Voltage: 3.3V / 5V

  • Address Selection: A0, A1, A2 configurable

  • Compatibility: Arduino / ESP32 / STM32 / Raspberry Pi

  • Function: I2C expansion, address conflict resolution

  • Dimensions: Compact breakout module

Applications

  • Multi‑sensor projects

  • Identical I2C devices with same address

  • Robotics and automation

  • Environmental monitoring systems

  • OLED/LCD display arrays

  • Data acquisition systems

  • Arduino / ESP32 / STM32 development


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