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Showing 21-40 of 49 products · 11 unavailable products hidden
9V to Barrel Jack Adapter V2
The second version of the 9V to Barrel Jack Adapter, now featuring a hard plastic battery snap for easier connection and disconnection. Plug a 9V battery into one end and connect the other to any device with a 5.5 × 2.1 mm centre-positive barrel jack. Key Features Hard Plastic Snap (V2) – Easi...
4-Way 2.1mm DC Barrel Jack Splitter
A simple 1-to-4 DC barrel jack splitter that lets you power four devices from a single DC power adapter. Features standard 5.5mm/2.1mm barrel connectors with rugged moulded construction. Plug your existing DC power supply into the input jack, and get four identical output plugs ready to connect ...
9V to Barrel Jack Adapter
A 9V battery clip adapter with a standard 5.5 × 2.1 mm centre-positive barrel jack. Use it to power any device that accepts 9V input through an onboard barrel jack connector. Key Features 9V Battery Snap – Standard clip fits all 9V batteries Barrel Jack Output – 5.5 × 2.1 mm centre-positive c...
Barrel Jack Extension Cable - M-F (3 ft)
Do you fear that your power may not be “far reaching” enough? How would another 3' work for you? Okay, so it doesn’t sound very dramatic, but sometimes an extra 3' of power cable is exactly what your project needs. Don’t hack apart a nice clean barrel jack connection just because it won’t reach, ...
MicroUSB to 5.5/2.1mm DC Barrel Jack Adapter
The premise of this MicroUSB to 5.5/2.1mm DC Barrel Jack Adapter is simple. There's a MicroUSB plug on one end and a 5.5mm/2.1mm DC barrel jack with center positive polarity on the other. This allows you to connect one of our 5V 2 Amp, 5V 4A or 5V 10 Amp adapters ...
Panel Mount 2.1mm DC barrel jack
A panel-mount DC barrel jack that accepts standard 2.1 mm power plugs. The extra-long threaded body fits panels up to 8 mm thick (5/16″), making it suitable for wooden enclosures and thicker project boxes — not just sheet metal. The jack includes a sturdy PCB spacer with three solder-friendly ey...
9V to Barrel Jack Adapter
A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack on the other end. Plug it onto a standard 9V battery and connect directly to any device with an onboard barrel jack — perfect for powering an Arduino Uno or other development board from battery. Key Features 9V Batt...
2-Way 2.1mm DC Barrel Jack Splitter Squid
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 ba...
9V to Barrel Jack Adapter
A simple 9V battery clip cable with a 5.5 × 2.1 mm centre-positive barrel jack. Plug a 9V battery into one end and connect the other to any device with an onboard barrel jack — ideal for powering Arduinos, development boards, and evaluation boards from battery. Key Features 9V Battery Snap – S...
DC 5.5 x 2.1mm 1-to-3 Power Splitter Cable - 5 Pack
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This DC power splitter cable lets a single DC 5.5 x 2.1 mm power source feed three compatible devices, making it a handy option for tidy multi-device power setups.It uses a tinned oxygen-free copper wire core for stable transmission and to help suppress external signal interference. The PVC outer...
5.5mm/2.1mm DC Barrel Polarity Reversing Cable
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A 5.5×2.1mm DC barrel polarity reversing cable that swaps centre-negative to centre-positive (or vice versa). Simply plug it inline between your DC power supply and device to reverse the polarity — no rewiring required. This is useful for powering devices that use centre-negative barrel jacks (s...
Power converter 6 in 1 pack
A handy assortment of six power connector adaptors and converters for prototyping, electronics projects, and bench setups. This pack covers the most common power connector types — barrel jack, BNC, JST, and screw terminal — so you can quickly adapt between different power sources and devices. Pa...
2x3A DC Motor Driver Carrier Board for UNIHIKER M10
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This DFRobot motor driver carrier board is purpose-built for the UNIHIKER M10, featuring a tilted edge connector slot that positions the screen at an optimal viewing angle. It integrates a dual 3 A DC motor driver with separate motor power, plus onboard RGB LEDs and infrared transmitter/receiver....
DC 5.5 x 2.1mm 1-to-4 Power Splitter Cable - 5 Pack
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This DC power splitter cable lets you run four DC devices from a single power source. It has one DC 5.5 x 2.1mm female connector splitting out to four DC 5.5 x 2.1mm male connectors, making it handy for tidier low-voltage power distribution.The cable is compatible with DC5.5*2.1 connectors and us...
4 x AA Battery Holder with 2.1mm Plug and On/Off Switch
A 4×AA battery holder with a built-in on/off switch and a 13cm (5″) power cable terminating in a centre-positive 2.1mm DC barrel jack. Provides convenient portable power with easy switching for development boards and projects that accept a standard DC barrel jack input. Delivers approximately 4....
DC 5.5*2.1 One Female to Dual Male Power Cable Pack
This DC 5.5×2.1mm power splitter cable lets you power two DC devices from a single power source. Each cable splits one female DC jack into two male DC plugs, making it easy to share a power adapter between devices. Built with tinned oxygen-free copper wire for stable transmission and minimal sig...
USB Type C 3.1 PD to 5.5mm Barrel Jack Cable - 9V 5A Output
A USB Type-C Power Delivery (PD) cable that converts any PD-capable USB-C power adapter into a 9V DC barrel jack output at up to 5A. The built-in PD sink negotiation chip communicates with your adapter to request 9V output, while an EMARK chip enables full 5A high-current delivery as required by ...
12 VDC 1000mA regulated switching power adapter - UL listed
Warning: This is a US-plug adapter and is not certified for use in Australia. Only purchase if you are using it outside Australia or with an appropriate plug adapter. A regulated 12V DC switching power adapter delivering up to 1000mA (1A). The slim profile fits into power strips without blocki...
5V 4A (4000mA) switching power supply - UL Listed
This UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 4A (4,000mA / 20W) via a standard 5.5×2.1mm centre-positive DC barrel jack. It accepts 110–240V AC input and is ideal for powering LED matrices, NeoPixel strips, and other high-current 5V projects. Key Featur...
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USB to 2.1mm Male Barrel Jack Cable [22AWG 1 meter]
This USB to 2.1 mm barrel jack cable lets you power 5 V DC devices from any USB port. Simply connect the USB-A end to a computer, USB wall adapter, or USB battery pack, and the barrel jack end to your device. At 1 metre long with 22 AWG wires, it handles higher current draws reliably. The barrel...
