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This 20-pin GPIO ribbon cable provides a clean, reliable connection between PCBs, development boards, and breakout headers. The soft, flexible 0.05″ ribbon c...

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This 20-pin GPIO ribbon cable provides a clean, reliable connection between PCBs, development boards, and breakout headers. The soft, flexible 0.05″ ribbon cable with keyed IDC connectors on both ends ensures correct orientation every time.

Pin 1 is marked with a pink stripe along the side of the ribbon for easy identification. The 2×10 layout with 2.54 mm (0.1″) spacing makes it well suited for JTAG connections and general-purpose GPIO breakouts.

Key Features

  • 20-Pin IDC – 2×10 configuration with keyed connectors on both ends
  • Flexible Ribbon – Soft 0.05″ pitch ribbon cable for easy routing
  • Keyed Connectors – Prevents incorrect insertion
  • Pin 1 Marked – Pink stripe identifies pin 1 orientation
  • 300 mm Length – Approximately 300 mm (12″) cable length

Specifications

  • Pin Count – 20 pins (2×10)
  • Pin Spacing – 2.54 × 2.54 mm (0.1″ × 0.1″)
  • Cable Length – ~300 mm (12″)
  • Connector Type – IDC socket (keyed, both ends)
  • Ribbon Pitch – 0.05″

Ideal For

  • JTAG and debugging connections
  • GPIO breakout and header-to-header links
  • Prototyping with development boards
  • Connecting PCBs within enclosures

Jargon buster

Plain-language definitions for the technical terms used above.

breakout
A breakout is a small circuit board that makes a tiny or hard-to-solder component easier to connect to with standard pins. It matters because this OLED module can be wired into a microcontroller project without needing to solder directly to the display’s fine contacts.
GPIO
General-purpose input/output pins are microcontroller pins you can set in software to read signals, switch devices on and off, or connect to peripherals. The number of GPIO pins matters because it limits how many buttons, LEDs, sensors, and other parts you can wire directly to the board.
Headers
Rows of metal pins used to plug a module into a breadboard or connect it with jumper wires. Pre-soldered headers make the module easier to use straight away without needing to solder the pins yourself.
JTAG
JTAG is a hardware debugging and programming interface used to inspect and control chips at a low level. It matters for advanced development because it can help diagnose firmware problems that are hard to see through normal serial output.

Related Tutorials

Free guides on learn.littlebird.com.au

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