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Adafruit

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The Adafruit Switchable USB Type A to C Breakout Board lets you individually enable or disable each of the four USB wires (V+, D+, D−, GND) using an onboard ...

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The Adafruit Switchable USB Type A to C Breakout Board lets you individually enable or disable each of the four USB wires (V+, D+, D−, GND) using an onboard 4-position DIP switch. This makes it a versatile tool for USB debugging, charge-only configurations, and power monitoring.

Key Features

  • 4-Position DIP Switch – Independently toggle V+, D+, D−, and GND lines
  • USB Type A to Type C – Type A plug on one end, Type C socket on the other
  • Labelled Probe Pads – On both sides of the board for signal and power monitoring
  • Charge-Only Mode – Disable D+ and D− to block data while allowing charging
  • Power Monitoring – Disable V+ (high side) or GND (low side) to insert a current meter

Ideal For

  • USB signal debugging and probing
  • Creating charge-only USB connections
  • Power monitoring and current measurement
  • Low-current microcontroller project board hacking

Package Contents

  • 1× Switchable USB Type A to C breakout board
Note: The DIP switches are rated for 5V at 100 mA. Designed for low-current microcontroller projects.

Jargon buster

Plain-language definitions for the technical terms used above.

breakout
A breakout board carries a small or fine-pitched component and brings its connections out to standard, breadboard- and header-friendly pins. Describing a part as a breakout means it can be wired into a project without soldering directly to the component's tiny contacts.
DIP switch
A DIP switch is a small set of physical on/off switches used to configure hardware settings without software. It matters because changing features such as auto power-on or charging limits may require moving these tiny switches correctly.
GND
GND is the ground or reference connection (0 V) for a circuit. When connecting two devices together, their grounds must be joined so both agree on what counts as a low or high signal.
microcontroller
A microcontroller is a small computer on a single chip that runs a stored program and controls connected inputs and outputs such as buttons, sensors, displays and communication interfaces. In a device built around one, it is the part that executes the code and coordinates the device's behaviour.
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