{"product_id":"m5stack-pahub-v2-1-i2c-hub-1-to-6-expansion-dip-switch-multiplexer-iot-kit","title":"M5Stack PaHub V2.1 I2C Hub 1-to-6 Multiplexer IoT Dev Kit","description":"\n\u003ch2\u003eM5Stack PaHub V2.1 – I2C Hub 1-to-6 Expansion with DIP Switch Multiplexer\u003c\/h2\u003e\n\u003cp\u003eTake your IoT projects to the next level with the \u003cstrong\u003eM5Stack PaHub V2.1 Unit\u003c\/strong\u003e — a compact, powerful I2C hub that expands a single I2C bus into \u003cstrong\u003e6 independent channels\u003c\/strong\u003e. Whether you're building sensor arrays, industrial automation systems, or rapid prototyping setups, this multiplexer unit makes connecting multiple I2C devices simple, clean, and conflict-free.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1-to-6 I2C Channel Expansion:\u003c\/strong\u003e Connect up to 6 separate I2C devices simultaneously on a single bus without address conflicts, dramatically increasing the flexibility of your development board.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIP Switch Address Selection:\u003c\/strong\u003e Built-in DIP switch allows easy hardware-level address configuration, giving you precise control over each channel without additional coding overhead.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal I2C Compatibility:\u003c\/strong\u003e Designed around the standard I2C interface, the PaHub V2.1 works seamlessly with a wide range of sensors, displays, modules, and peripherals that support I2C communication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Simplicity:\u003c\/strong\u003e Minimal wiring required — just connect your cables and the hub handles communication multiplexing automatically, keeping your build neat and efficient.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Reliability:\u003c\/strong\u003e Engineered for demanding environments including industrial automation and IoT deployments, ensuring stable, consistent data transfer across all channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Form Factor:\u003c\/strong\u003e Small footprint makes it easy to integrate into tight enclosures or breadboard setups without cluttering your workspace.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e M5Stack PaHub V2.1 Unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e I2C (1-to-6 Channel Multiplexer)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAddress Configuration:\u003c\/strong\u003e DIP Switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical Application:\u003c\/strong\u003e Industrial Automation, IoT Development, Sensor Arrays\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 × M5Stack PaHub V2.1 Unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThe PaHub V2.1 is ideal for electronics engineers, makers, and IoT developers who need to connect multiple I2C peripherals to a single microcontroller or development board — especially when working with M5Stack ecosystems, Arduino, or Raspberry Pi setups. Eliminate address conflicts and expand your project's capability in minutes.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush Set – Versatile Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel Portable Mini\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-stainless-steel-gardening-shovel-suitable-for-soil-turning-and-weed-removal-in-potted-plants-and-outdoor-gardens\"\u003e1pc Stainless Steel Gardening Shovel for Potted Plants \u0026amp; Outdoor Gardens\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the M5Stack PaHub V2.1 used for in IoT development?\u003c\/h4\u003e\n\u003cp\u003eA: The M5Stack PaHub V2.1 is an I2C hub multiplexer that expands one I2C bus into 6 independent channels. It's used in IoT development, industrial automation, and maker projects to connect multiple I2C sensors or modules simultaneously without address conflicts, streamlining wiring and improving scalability.\u003c\/p\u003e\n\u003ch4\u003eQ: How does the DIP switch work on the PaHub V2.1?\u003c\/h4\u003e\n\u003cp\u003eA: The onboard DIP switch allows you to set the hardware I2C address of the PaHub V2.1 unit. By toggling the DIP switches, you can configure the hub's address to avoid conflicts when using multiple hubs on the same bus, giving you full control over your I2C network layout.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the PaHub V2.1 compatible with Arduino and Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The PaHub V2.1 uses a standard I2C interface, making it broadly compatible with development platforms that support I2C communication, including Arduino, Raspberry Pi, M5Stack, and other popular microcontroller boards.\u003c\/p\u003e\n\u003ch4\u003eQ: How many I2C devices can I connect to the PaHub V2.1?\u003c\/h4\u003e\n\u003cp\u003eA: The PaHub V2.1 supports up to 6 independent I2C channels, each capable of hosting one or more I2C devices (depending on their individual address configurations). This significantly extends the number of peripherals you can use in a single project.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the M5Stack PaHub V2.1 used for in IoT development?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The M5Stack PaHub V2.1 is an I2C hub multiplexer that expands one I2C bus into 6 independent channels. 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