Arduino Power Supplies and Voltage Regulators
Find reliable power supplies and voltage regulators for your Arduino projects. Browse 9V adapters, barrel jack connectors, battery holders, DC-DC converters, and regulated switching power supplies to keep your builds running smoothly.
Whether you're a hobbyist, student, or educator working on STEM and maker projects, stable power delivery is essential. We stock a range of options from simple battery snaps to lithium cells and LiPo batteries.
Shop Arduino power solutions with fast shipping across Australia.
9V Snap Connector
SKU: DF-FIT0111 | Brand: DFRobot
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 conne...
Delivered by Thu 11 Jun
Breadboard Power Supply 5V/3.3V
SKU: DF-DFR0140 | Brand: DFRobot
This is a very simple board that takes a 6-12V input voltage and outputs a selectable 5V or 3.3V regulated voltage. All headers are 0.1" pitch for simple insertion into a breadboard. It can be either powered from 6-12...
Delivered by Thu 11 Jun
DC Barrel Jack Adapter - Male
SKU: DF-FIT0110 | Brand: DFRobot
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 ...
Delivered by Thu 11 Jun
DC Barrel Jack Adapter - Female
SKU: DF-FIT0151 | Brand: DFRobot
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, ci...
Delivered by Thu 11 Jun
16 MHz Crystal + 20pF capacitors
SKU: AF-2215 | Brand: Adafruit
A 16.000 MHz quartz crystal in the HC49/US short-style package, supplied with two 20pF load capacitors. The crystal provides higher precision than ceramic resonators, with 30 PPM tolerance and 50 PPM stability — suita...
Delivered by Thu 11 Jun
Arduino Power Supply 9VDC 500mA
SKU: TB-MP3146 | Brand: Little Bird
Introducing our new range of Ultra-slim Switchmode AC adaptors. They are extremely light, sleek and compact; enough to snugly and neatly fit side by side on a power board, no more wasted AC outlets! Incorporates a ...
Delivered by Thu 11 Jun
9V to Barrel Jack Adapter V2
SKU: DF-FIT0043 | Brand: DFRobot
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...
Delivered by Thu 11 Jun
DC Barrel Jack Plug - Male
SKU: SF-PRT-11476 | Brand: SparkFun
This barrel jack plug is great for adding a common connector to the end of our wires. This jack is compatible with 5.5mm barrel jacks that have a 2.1mm center pole diameter. The outer shell unscrews to reveal solder t...
Delivered by Thu 11 Jun
PoE Splitter with USB Type C - 5V 2A - 100 MB Ethernet
SKU: AF-4552 | Brand: Adafruit
Power over Ethernet (PoE) splitters can make your project wiring a breeze - and best of all they work to connect any 802.3af-capable router to any Ethernet device, even if it doesn't natively support PoE! The splitter...
Delivered by Thu 11 Jun
9V Snap Connector
SKU: SF-PRT-00091 | Brand: SparkFun
A classic 9V battery snap connector terminated with a 2-pin polarised Molex connector. Ideal for quick-connect battery power in breadboard and prototyping setups. Key Features Molex Terminated – 2-pin polarised con...
Delivered by Thu 11 Jun
