Power Management

SKU: SF-ROB-13063 | Brand: SparkFun

This is a 3 wire slip ring, a remarkably simple electromechanical assembly that allows for electronic signals and power to be passed through its rotating innards. Commonly, you’d find slip rings in wind turbines, rada...

SKU: AF-3239 | Brand: Adafruit

This IEEE 802.3af PoE splitter separates power and data from a single PoE Ethernet cable, providing selectable regulated DC output (5V, 9V, or 12V) at up to 1A alongside a standard Ethernet data connection. A DIP swit...

SKU: SF-PRT-13032 | Brand: SparkFun

A simple breadboard power supply that takes a 6–12 V input and outputs a regulated 5 V or 3.3 V. All headers are at 0.1" pitch for direct insertion into a standard breadboard, with the output pins spaced to power both...

SKU: AF-1905 | Brand: Adafruit

The Adafruit Mini Lipo with Mini-B USB Jack is a compact charger for single-cell 3.7V/4.2V lithium polymer and lithium ion rechargeable batteries. Plug in any Mini USB cable to a USB power source and connect your batt...

SKU: DF-FIT0471 | Brand: DFRobot

INTRODUCTION This is a small DC - DC boost module that converts a 0.9 ~ 5v power source to standard 5V, making it capable of supplying power to an Arduino microcontroller and other small ...

SKU: AF-3456 | Brand: Adafruit

This 5×AA battery holder delivers approximately 7.5V from five AA batteries, terminated with a 2.1mm DC barrel plug (centre positive). It provides the ideal voltage for Arduino boards and other development boards with...

SKU: DF-DFR1208 | Brand: DFRobot

##Introduction This DC-DC step-down converter module is designed to efficiently reduce a high input voltage (15-24V) to a stable 12V output, supporting up to 12A of current. The module offers high conversion efficienc...

SKU: SF-PRT-18769 | Brand: SparkFun

This 3xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, sliding cover as well as an ON/OFF switch that can be used to control power to your project. The ...

SKU: DF-FIT0784 | Brand: DFRobot

A DC 5.5×2.1mm female to USB Type-C male power adapter plug, allowing you to power USB-C devices from a DC barrel jack power supply. Useful for powering Raspberry Pi 4/5, LattePanda, and other USB-C-powered boards fro...

SKU: DF-FIT0783 | Brand: DFRobot

A DC 5.5×2.1mm female to Micro-USB male power adapter plug, allowing you to power Micro-USB devices from a DC barrel jack power supply. Useful for powering Raspberry Pi, LattePanda, phones, and tablets from existing D...

SKU: AF-5048 | Brand: Adafruit

The Power Profiler Kit II is a standalone unit, which can measure and optionally supply currents all the way from sub-uA and as high as 1A on all Nordic DKs, in addition to external hardware. As we've featured on EYE ...

SKU: SF-COM-18376 | Brand: SparkFun

An industrial-grade DC buck-boost converter that accepts 8–40V input and delivers a regulated 12V output at up to 3A (36W). Ideal for battery-powered systems where input voltage varies — such as SLA or LiFePO4 batteri...

SKU: AF-4430 | Brand: Adafruit

Inductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargeable electric toothbrush: you may have noticed that you recharge it by placin...

SKU: DF-FIT0626 | Brand: DFRobot

This battery holder connects 3× AAA batteries in series, providing approximately 4.5V from alkaline cells. It features a PH2.0-2P connector, making it compatible with DFRobot boards and other devices that use the PH2....

SKU: DF-DFR0494 | Brand: DFRobot

An uninterruptible power supply HAT for Raspberry Pi that provides steady power during outages, protecting your system from damage and ensuring safe shutdown. Ideal for mobile applications like Raspberry Pi cameras, t...

SKU: DF-FIT0611 | Brand: DFRobot

This is a Li-ion Battery Holder specially designed for micro: bit educational robot Maqueen. It can be used to hold a CR123A 3.6V lithium rechargeable battery to provide more than 8 hours continuous power for Maqueen....

SKU: AF-4194 | Brand: Adafruit

A slim, open-top 2×AA battery holder with a genuine JST PH connector. Two AA batteries in series provide approximately 3V — ideal for powering low-voltage electronics projects, Adafruit boards, and microcontrollers wi...

SKU: DF-FIT0587 | Brand: DFRobot

This is a CE-certified XT60 plug that is mini-sized .The plug features a true gold plating and a banana cross recessed design with a larger contact area that can withstand a constant 30A peak current of 60A.Its plast...

SKU: DF-FIT0586 | Brand: DFRobot

This is a CE-certified XT30 plug that is mini-sized and takes up less space. The banana plug features a true gold plating and a cross-slot design with a larger contact area that can withstand a constant 15A and peak c...

SKU: DF-DFR0563 | Brand: DFRobot

3.7V lithium batteries are commonly used in many projects. However, the remaining power and voltage of the lithium battery are highly nonlinear. We can only roughly judge whether the battery is full or almost empty a...