{"product_id":"m5stack-pahub-v2-i2c-hub-6-port-dip-switch-multiplexer","title":"M5Stack PaHub V2 I2C Hub 6-Port DIP Switch Multiplexer","description":"\u003ch2\u003eM5Stack PaHub V2 — I2C 1-to-6 Expansion Multiplexer\u003c\/h2\u003e\n\u003cp\u003eExpand your I2C bus effortlessly with the \u003cstrong\u003eM5Stack PaHub V2\u003c\/strong\u003e. This compact multiplexer hub splits a single I2C channel into \u003cstrong\u003e6 independent expansion ports\u003c\/strong\u003e, allowing you to connect multiple I2C devices simultaneously — even those sharing the same default address. A built-in \u003cstrong\u003eDIP switch\u003c\/strong\u003e lets you configure the hub's own I2C address, making it easy to daisy-chain multiple PaHub units for even greater scalability in complex IoT and embedded projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-to-6 I2C Expansion:\u003c\/strong\u003e Multiply a single I2C bus into 6 separate, individually switchable channels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIP Switch Address Configuration:\u003c\/strong\u003e Set the hub's I2C address via onboard DIP switches — supports multiple units on one bus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Connectivity:\u003c\/strong\u003e Simply connect the corresponding Grove\/I2C cable to enable communication between devices instantly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM5Stack Ecosystem Compatible:\u003c\/strong\u003e Designed to work seamlessly with M5Stack Core modules, sensors, and accessories\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Neat, stackable design ideal for prototyping, maker projects, and IoT deployments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with Arduino, MicroPython, UIFlow, and other popular development environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I2C (Grove connector)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Expansion Ports:\u003c\/strong\u003e 6\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAddress Configuration:\u003c\/strong\u003e DIP Switch (hardware configurable)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Platform:\u003c\/strong\u003e M5Stack, Arduino, Raspberry Pi, and standard I2C hosts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × PaHub V2 Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThe M5Stack PaHub V2 is perfect for \u003cstrong\u003eelectronics hobbyists, IoT developers, and embedded systems engineers\u003c\/strong\u003e who need to connect multiple I2C sensors or modules to a single microcontroller without address conflicts. Whether you're building a smart home sensor array, a robotics project, or a complex data-logging system, this hub keeps your wiring clean and your code simple.\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About I2C \u0026amp; IoT Development\u003c\/h3\u003e\n\u003cp\u003eFor technical background on electronics hardware standards and IoT development, visit the \u003ca href=\"https:\/\/www.nist.gov\/topics\/electronics\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST Electronics \u0026amp; Technology Resources\u003c\/a\u003e page for authoritative standards information.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the M5Stack PaHub V2 I2C Hub multiplexer do?\u003c\/h4\u003e\n\u003cp\u003eA: The M5Stack PaHub V2 is an I2C multiplexer that expands a single I2C bus into 6 independent channels. This lets you connect up to 6 separate I2C devices — including multiple sensors with the same default address — to one microcontroller without conflicts. Simply connect your Grove\/I2C cable and the hub manages the channel switching automatically.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I configure the I2C address on the PaHub V2?\u003c\/h4\u003e\n\u003cp\u003eA: The PaHub V2 features an onboard DIP switch that lets you manually set its I2C address. This means you can connect multiple PaHub V2 units to the same I2C host, effectively expanding your bus to even more devices. Refer to the M5Stack documentation for the specific address map corresponding to each DIP switch combination.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the M5Stack PaHub V2 compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. While the PaHub V2 is designed with the M5Stack ecosystem in mind, it is compatible with any I2C host that uses a standard Grove connector or can be adapted to one — including Arduino boards, Raspberry Pi, and other microcontrollers. It also supports UIFlow and MicroPython development environments.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I daisy-chain multiple PaHub V2 units together?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Thanks to the DIP switch address configuration, you can assign a unique I2C address to each PaHub V2 unit and connect multiple hubs to the same bus, dramatically increasing the number of I2C devices your project can support.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the M5Stack PaHub V2 I2C Hub multiplexer do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The M5Stack PaHub V2 is an I2C multiplexer that expands a single I2C bus into 6 independent channels. This lets you connect up to 6 separate I2C devices — including multiple sensors with the same default address — to one microcontroller without conflicts. 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