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Female DC Power adapter - 2.1mm jack to screw terminal block
A simple adapter that converts a 2.1 mm DC barrel jack to screw terminals, making it easy to connect a DC power supply to boards or projects that lack a DC jack. The terminals are labelled with positive and negative polarity, assuming a centre-positive configuration (the most common type). Key F...
2.1mm Plug/Jack to Screw Terminal Block - Female
A handy adapter that converts bare wire connections into a standard 2.1 mm DC barrel plug. Strip your battery pack or power supply wires, secure them in the screw terminals, and plug straight into any board or device with a 2.1 mm barrel jack input — no soldering required. Key Features 2.1 mm ...
2.1mm Plug/Jack to Screw Terminal Block - Male
A handy adapter that converts a 2.1 mm DC barrel jack (female socket) into a screw terminal block. Plug a wall adapter or barrel-plug cable into the jack end, and access the power lines via labelled +/− screw terminals on the other — no soldering required. Key Features 2.1 mm DC Barrel Jack – ...
DC Barrel Jack Adapter - Female
A screw-terminal adapter that converts a 5.5 × 2.1 mm centre-positive DC barrel jack connection to bare wire terminals. Plug in a barrel jack power supply on one end and connect the screw terminals to a breadboard, circuit, or project on the other — a simple way to add a standard DC power input w...
Adafruit NeoPixel LED Strip Starter Pack - 30 LED meter - Black
Everything you need to get started with NeoPixel LED strips in one convenient pack. Includes a 1-metre NeoPixel strip with black flex PCB, power supply, and connectors — just add a microcontroller and you're ready to go. With minimal or no soldering required, this starter pack is the fastest way...
Adafruit NeoPixel LED Strip Starter Pack - 30 LED meter - White
Everything you need to get started with NeoPixel LED strips in one convenient pack. Includes a 1-metre NeoPixel strip with white flex PCB, power supply, and connectors — just add a microcontroller and you're ready to go. Also available with a black flex PCB. With minimal or no soldering required...
DC Barrel Jack to 2-Pin Terminal Block Adapter
This connector adapts a 5.5 × 2.1 mm DC barrel jack to a pair of screw terminals spaced approximately 5 mm (0.2″) apart. The terminals are labeled positive and negative, with the positive terminal connected to the center pin.
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...
DC Barrel Jack Adapter - Female
This adapter allows you to connect a barrel jack connector to bare wires. One end has screw terminals and the other has a 5.5x2.1mm, center-positive female barrel jack. If you have a power supply with a barrel jack and want to plug it into a breadboard, this might be the simple solution.
Adafruit DC Power BFF Add-On for QT Py
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The Adafruit DC Power BFF Add-On lets you power your QT Py or Xiao development board from a DC source up to 20V. The on-board MPM3610 integrated buck converter steps down the input to 5V at up to 1A, with no heat sink required — providing plenty of power for LEDs, WiFi, displays, and small motors...
Adafruit USB Type C Power Delivery Dummy - I2C or Switchable
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The Adafruit USB Type C Power Delivery Dummy (I2C or Switchable) lets you tap into USB-C Power Delivery to get 5V, 9V, 12V, 15V, 18V, or 20V from any compatible USB-C charger or wall adapter — no soldering required. Built around the HUSB238 PDL003A E-Marker variant, it can request up to 5A for a ...
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...
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...
2.1mm to 1.7mm DC jack adapter
A small adapter that converts a standard 5.5 / 2.1 mm DC barrel plug into a 4.0 / 1.7 mm plug, letting you use common 2.1 mm wall adapters with devices that have a smaller 1.7 mm DC jack input. Key Features 2.1 mm Jack Input – Accepts standard 5.5 / 2.1 mm barrel plugs 1.7 mm Plug Output – Fi...
USB-C PD to 5.5mm/2.1mm DC Barrel Jack Adapter
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This compact adapter lets you power gear with a 5.5mm / 2.1mm DC barrel socket from a USB Type C connection. It is handy for projects, development boards, and small devices that use the common centre-positive barrel jack format.With a suitable USB PD power supply, it provides 9V DC output at up t...
USB-C PD to 5.5/2.1mm Barrel Jack Adapter - 20V
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This handy adapter lets you power compatible gear with a 5.5mm / 2.1mm DC barrel socket from a USB-C PD source. It is useful when you want to use a modern USB-C power supply with equipment that expects a standard barrel jack input.Because USB-C is reversible, the adapter can be flipped around to ...
5V 2A (2000mA) switching power supply - UL Listed
This FCC/CE certified and UL-listed switching power supply delivers a clean, regulated 5V DC output at up to 2A (2,000mA) via a standard 5.5×2.1mm DC barrel jack. It accepts 110–240V AC input and is suitable for powering LED strips, motors, and other current-hungry 5V devices. Key Features Out...
Gravity IO Expansion Shield for LattePanda
The Gravity IO Expansion Shield breaks out all GPIO pins from the LattePanda into Gravity-compatible 3-pin colour-coded connectors, providing plug-and-play access to hundreds of Gravity sensors and modules. Each pin includes VCC and GND, eliminating the need for separate power wiring. The shield...
28 PCS Universal 5.5*2.1mm DC Adapter Kit
A 28-piece universal DC adapter kit with 5.5 × 2.1mm female connectors converting to a variety of DC barrel jack sizes. Compatible with standard 2.5mm DC male plugs, this kit lets you power laptops, displays, stereos, and other devices when the original power connector doesn't match. Warning: T...
3.5 / 1.3mm or 3.8 / 1.1mm to 5.5 / 2.1mm DC Jack Adapter Cable
A DC barrel jack adapter cable that converts a 3.5/1.3 mm or 3.8/1.1 mm DC plug to the standard 5.5/2.1 mm DC barrel jack format. Internal spring contacts accommodate outer diameters from 3.5 mm to 3.8 mm, making it versatile across a range of small-barrel DC connectors. Key Features Wide Comp...
