Does this include pullup resistors?

The simple answer is yes. The TCA9548A device has eight bidirectional transfer switches that can be controlled through the I2c bus. The serial clock/serial data (SCL/SDA) upstream pair can be expanded to 8 downstream pairs or lanes. For each channel, external pull-up resistors pull up the bus voltage to the desired voltage level.

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Aobao 10pcs TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board for Arduino

Aobao 10pcs TCA9548A I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board for Arduino

Product ID: 411280825

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Details

Brand
Aobao
Model Name
AB10p510lq
Connectivity Technology
I2C
Included Components
10x TCA9548A 8
Operating System
Windows Linux

⚡1.65-5.5V wide voltage range

🔗8-channel I2C expansion

⏱️400KHz max clock speed

Description

🔌 Unlock 8x I2C power and never miss a connection!

PRECISION SPEED CONTROL - Supports up to 400KHz clock frequency for fast, reliable data transfer.
EXPAND YOUR I 2 C UNIVERSE - Seamlessly connect up to 8 devices with a single multiplexer board.
BULK PACK FOR POWER USERS - 10 boards included—scale your prototypes or production without missing a beat.
CUSTOMIZABLE I 2 C ADDRESSING - Selectable addresses from 0x70 to 0x77 let you avoid conflicts effortlessly.
FLEXIBLE VOLTAGE COMPATIBILITY - Operates smoothly from 1.65V to 5.5V, perfect for diverse Arduino projects.

The Aobao 10pcs TCA9548A I2C IIC Multiplexer Breakout Board set offers 8-channel I2C expansion with selectable addresses (0x70-0x77), operating across a wide voltage range (1.65-5.5V) and supporting up to 400KHz clock speed. Ideal for Arduino and compatible with Windows, Linux, and macOS, this pack of 10 boards empowers developers to scale complex sensor and device networks efficiently.

Specifications

Brand	Aobao
Series	AB10p510lq
Item model number	AB10p510lq
Operating System	Windows, Linux, macOS
Item Weight	1.44 ounces
Package Dimensions	4.29 x 3.15 x 0.67 inches
Number of Processors	1
Manufacturer	Aobao
ASIN	B09KY1YNM9
Date First Available	November 3, 2021

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