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2-Way 2.1mm DC Barrel Jack Splitter Squid
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$6.65
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A simple 2-way DC barrel jack splitter that lets you power two devices from a single power adapter. Plug in one standard 5.5mm/2.1mm DC barrel jack and get t...
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A simple 2-way DC barrel jack splitter that lets you power two devices from a single power adapter. Plug in one standard 5.5mm/2.1mm DC barrel jack and get two identical outputs — perfect for powering multiple boards or accessories from a single supply.
Key Features
- 1-to-2 Splitter – One DC barrel jack input splits to two DC barrel jack outputs
- Standard 5.5/2.1mm Size – Compatible with most common DC power adapters
- Rugged Moulding – Durable connectors built for reliable use
Ideal For
- Powering multiple Arduino or Raspberry Pi boards from one adapter
- LED strip and accessory power distribution
- Prototyping setups with multiple DC-powered devices
Package Contents
- 1× 2-Way DC Barrel Jack Splitter Cable
Note: The total current draw across both outputs must not exceed the rating of your power adapter. Ensure your supply can handle the combined load of both connected devices.
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- DC barrel jack
- A round power connector commonly used for low-voltage DC power supplies, often described by its outer and inner diameters such as 5.5 x 2.1 mm. Matching the barrel size and polarity is important so the plug physically fits and powers the device correctly.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
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