The I2C (IIC) Bus Expansion Board is a compact module designed to expand a single I2C interface into 8 independent I2C ports, allowing multiple I2C devices to be connected simultaneously. It simplifies wiring and improves connectivity in embedded systems and microcontroller projects. The board supports various HC series modules and other I2C-compatible devices, making it highly versatile for Arduino, Raspberry Pi, and similar platforms. Features: 8-Way Expansion: Easily expand one I2C port into eight, ideal for projects using multiple OLEDs, sensors, or EEPROMs. Clear Silkscreen: High-definition pin markings (VCC, GND, SCL, SDA) ensure error-free wiring. Standard Pitch: Features a 2.54mm standard pitch, compatible with most Dupont wires and breadboards. Versatile Interfaces: Supports various connector styles (HX-4P / Pin Headers) for flexible integration. Specifications: Interface Type: I2C (IIC) Expansion Capacity: 1-to-8 I2C ports Pin Pitch: 2.54mm standard header Mounting Holes: 2 × M2.5 positioning holes Connector Type: HX-4P interface Board Size: 20.3 mm × 33 mm Package Includes: 1 x IIC HUB Module Splitter I2C Hub Interface Expansion Board 8-way Bend Pin
Specifications
| Interface Type | I2C (IIC) Bus Expansion |
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| Number of Ports | 8 I2C channels |
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| Pin Pitch | 2.54 mm standard |
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| Connector Type | HX-4P interface |
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| Board Size | 20.3 mm × 33 mm |
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| Shipping Weight | 0.005 kg |
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| Shipping Dimensions | 5 × 4 × 4 cm |
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