Raspberry Pi GPIO Multifunctional Expansion Board

40-Pin GPIO Multiplying & Breakout: Expands a single 40-pin Raspberry Pi GPIO header into multiple parallel pinout sets, allowing simultaneous connection of sensors, HATs, and diagnostic tools.

Labeled Pinout Header Grid: Features clear, silk-screened pin labels ($3.3\text{V}$, $5\text{V}$, GND, SPI, I2C, UART, and GPIO numbers) for error-free wiring and quick prototyping.

Dual/Triple Header Expansion: Provides multiple parallel rows of standard 2.54mm (0.1'') pitch male/female headers, eliminating pin competition between expansion boards and jumper wires.

Integrated Power Indicator LED: Built-in power LED provides instant visual feedback when the board is receiving 3.3V/5V power from the Raspberry Pi mainboard.

Sturdy FR-4 PCB Construction: High-grade rigid fiberglass PCB with plated through-holes (PTH) and gold/tin-plated pin headers for stable signal conductivity and physical durability.

PCB & Pin Care: Handle by the board edges using ESD-safe procedures to protect components from static discharge; avoid bending connector pin headers during insertion.

Header Alignment & Insertion: Align the 40-pin socket carefully over the Raspberry Pi GPIO pins before pressing down firmly and evenly to avoid pin deformation.

Electrical Safety Precautions: Ensure the Raspberry Pi is completely powered off before attaching or removing sensors, HATs, or jumper cables to prevent short circuits.

Environmental Limits: Operating temperature range is -10°C to +60°C. Keep protected from conductive dust, metallic shavings, and high ambient humidity.

Essential Multi-HAT & Sensor Hub: Market to advanced makers, educators, and developers who need to connect multiple HATs, sensors, or logic analyzers to a single Raspberry Pi concurrently.

Lab Workstation Essential: Highlight as a must-have tool for electronics testing benches and STEM classrooms, streamlining circuit prototyping without tedious pin-sharing adapters.

Recommended Cross-Sell Add-ons: Pair with 40 PIN GPIO Rainbow Ribbon Cable, T-Cobbler Kit for Raspberry Pi, and Solderless Breadboards & Jumpers.

Broad Raspberry Pi Compatibility: Universal compatibility across all standard 40-pin Raspberry Pi models, including Raspberry Pi 5, 4B, 3B+, 3B, 2B, Zero 2 W, and Zero.