All Products

SKU: AF-5501 · MPN: 5501

A re-programmable USB Type-C Power Delivery (PD) cable that converts any PD-capable USB-C power adapter into a configurable DC barrel jack output. Programme the built-in PD sink negotiation chip to request 5 V, 7 V, 9 V, 10 V, 12 V, 15 V, or 20 V at up to 2 A — replacing the need for multiple wal...

SKU: DF-DFR0305

The Romeo BLE is an all-in-one Arduino-compatible robot control board from DFRobot with integrated Bluetooth 4.0. It combines an ATmega328P microcontroller, a dual-channel DC motor driver (2 A max), and a TI CC2540 BLE chip in a single board — letting you build and wirelessly control robots witho...

SKU: SF-KIT-14180

Robots are fun, and Arduinos are easy. So wouldn’t it be nice if there were a kit that included everything you need to get your Arduino device set up to control a simple two-motor-circuit buddy? The SparkFun Ardumoto Shield Kit is perfect for any robot enthusiast and includes an Ardumoto Shield, ...

SKU: LB-00231

Need to add more students to your Crack the Code classroom? This single-student Arduino kit includes everything one student needs to build light and sound projects using the Little Bird Uno R3 and ThinkerShield. Package Contents 1× Little Bird Uno R3 1× ThinkerShield 1× Mini breadboard (modular...

SKU: AF-2789 · MPN: 2789

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 ...

SKU: AF-6265 · MPN: ADA6265

This USB C PD to 2.1mm Cable with Selectable Voltage Button will help you get the most out of your USB C Power Delivery wall warts by letting you select any of the available voltages to power a device that expects a 5.5mm outer diameter / 2.1mm inner diameter DC plug. Now you can get rid of all t...

SKU: LB-LR0296

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...

SKU: SF-PRT-09518

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...

SKU: DF-FIT0131

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...

SKU: DF-FIT0043

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...

SKU: AF-5449 · MPN: 5449

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 ...

SKU: DF-FIT0111

A classic 9V battery snap connector with bare wire leads, 15 cm in length. Pair it with a DC Barrel Jack Adapter – Male to power an Arduino directly from a 9V battery. Key Features Bare Wire Leads – Solder or connect directly to your project Cable Length – 15 cm Standard 9V Snap – Fits all s...

SKU: DF-FIT0110

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 male barrel jack. If you need to connect bare wires to a barrel jack on an Arduino or a development board, this might be the simple solution. Wi...

SKU: AF-2727 · MPN: 2727

This adapter cable converts a 5.5mm/2.1mm DC barrel jack power supply to a Micro USB plug, allowing you to power Micro USB devices from a standard barrel jack power adapter. The barrel jack end is centre-positive polarity. It works great for powering Arduinos, BeagleBones, Raspberry Pis, Android...

SKU: AF-6031 · MPN: ADA6031

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...

SKU: AF-276 · MPN: 276

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...

SKU: AF-63 · MPN: 63

A compact 9V DC 1000mA regulated switching power adapter with a 5.5mm/2.1mm centre-positive barrel jack. The switching design keeps it small, lightweight, and efficient, while the regulated output delivers a steady 9V up to 1A of current draw. Accepts 100–240V AC input, making it suitable for wo...

SKU: AF-5451 · MPN: 5451

This cable will let you get rid of all those wall adapters you have stashed in the plastic bin in the basement. Instead of multiple wall warts with different power and current capabilities, this cable will convert any USB Type C power adapter with Power Delivery (PD) support into a 9V DC power po...