4-Way 2.1mm DC Barrel Jack Splitter

Passive splitter with one 5.5mm/2.1mm DC barrel socket input and four identical 5.5mm/2.1mm plug outputs, for powering multiple devices from a single adapter.

5.5 mm / 2.1 mm barrel input jack
Receives one standard 5.5 mm / 2.1 mm barrel power plug. Adafruit describes this as the single input end of the splitter.
Type · connector
5.5 mm / 2.1 mm barrel output plug 1
One of four identical barrel output plugs from the splitter.
Type · connector
5.5 mm / 2.1 mm barrel output plug 2
One of four identical barrel output plugs from the splitter.
Type · connector
5.5 mm / 2.1 mm barrel output plug 3
One of four identical barrel output plugs from the splitter.
Type · connector
5.5 mm / 2.1 mm barrel output plug 4
One of four identical barrel output plugs from the splitter.
Type · connector

Connectors

228 other options

Passive adapters, 2.54 mm pin headers, terminal blocks, JST and barrel-jack connector pairs, RF antennas and microSD adapters. Mechanical fit between two connectors does not confirm voltage, pinout or protocol compatibility.

View all 228

SparkFun Qwiic Pro Micro BoogieBoard visual preview

Related groups

4 groups

Cables

Around 250 entries: JST SH/PH cable pairs, Grove and STEMMA QT/Qwiic leads, jumper wires, silicone hookup wire from 30 AWG to 8 AWG, and FPC ribbon cables. Ecosystem bridge cables exist for the PH-to-SH pitch mismatch.

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USB and serial

Passive USB cables plus passive USB cables, Micro-B and USB-C breakouts, CP2102 and FT232 USB-UART bridges, DIY cable assembly parts, and USB-C development boards. Data support, host/device role and logic voltage vary significantly across the group.

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3D printing

DFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.

Tools & prototyping · 3D printing · 53 parts

LED pixels

WS2812/SK6812 NeoPixel strips, rings and Jewels, APA102 DotStar pixels, and plain analog RGB strips — each matched to its protocol and host, not just its connector.

Components · Addressable LEDs · 176 parts

Pin	Type	Function
5.5 mm / 2.1 mm barrel input jack	connector	Receives one standard 5.5 mm / 2.1 mm barrel power plug. Adafruit describes this as the single input end of the splitter.
5.5 mm / 2.1 mm barrel output plug 1	connector	One of four identical barrel output plugs from the splitter.
5.5 mm / 2.1 mm barrel output plug 2	connector	One of four identical barrel output plugs from the splitter.
5.5 mm / 2.1 mm barrel output plug 3	connector	One of four identical barrel output plugs from the splitter.
5.5 mm / 2.1 mm barrel output plug 4	connector	One of four identical barrel output plugs from the splitter.

Pinout

Cables

USB and serial

3D printing

LED pixels