Power Management

SKU: PL-1185 | Brand: Pololu

The ACS714 Current Sensor Carrier provides a compact breakout for Allegro's ±5A ACS714 Hall effect-based linear current sensor. It offers a low-resistance (~1.2 mΩ) current path and electrical isolation up to 2.1 kV R...

SKU: AF-80 | Brand: Adafruit

A high-quality 9V battery clip with a pre-assembled 5.5mm/2.1mm centre-positive barrel connector. The moulded plastic clip covers the battery terminals to prevent short circuits, and the barrel plug connects directly ...

SKU: SF-CAB-11579 | Brand: SparkFun

Behold, the Hydra! This USB power cable probably looks a lot like something you’ve hacked together before. We do it all the time, because what is a computer if not a 5V power supply that happens to run software? T...

SKU: SF-PRT-09835 | Brand: SparkFun

This is a simple 4 cell AA battery holder. The 5 inch cable is terminated with a standard 5.5x2.1mm, center positive barrel jack connector. The connector mates with the barrel jack on the Arduino (among a numbe...

SKU: DF-DFR1216 | Brand: DFRobot

##Introduction The Multi-function Expansion Board for UNIHIKER is an all-in-one solution designed to unlock the full potential of UNIHIKER K10 projects. It directly addresses common hurdles by integrating a powerful m...

SKU: LB-LS5006 | Brand: Little Bird

This assortment pack contains 50 linear voltage regulators across 10 popular types, giving you a handy selection for power supply projects and prototyping. All regulators are in the TO-220 package and cover a wide ran...

SKU: AF-6271 | Brand: Adafruit

Here is a handy measurement data display to help you see in real time the load flowing into your devices as they charge via USB-C. You'll have immediate readings of voltages, amps, and watts along with their peaks.Thi...

SKU: TB-MB3703 | Brand: Little Bird

This 4-channel universal charger handles Ni-MH, Ni-Cd, Li-ion, and LiFePO4 cells simultaneously across four independent slots. Each battery is monitored individually by a microprocessor with precise Pulse Width Modula...

SKU: AF-5644 | Brand: Adafruit

The Adafruit 12V Bias Voltage Boost Converter uses the TI TPS61040 to generate 12V DC from as little as 3V input. This compact breakout is ideal for generating the bias voltage needed by OLED displays, LED string back...

SKU: SF-COM-23979 | Brand: SparkFun

Does your microcontroller need to control a high-voltage item, like a 12V LED strip, while also needing to be powered? Do you want to avoid having multiple power adapters and microcontrollers for your project? The MOS...

SKU: AF-5383 | Brand: Adafruit

This small, palm-sized battery power meter has a small display that shows off how much juice is left in your single Lithium Ion/Polymer rechargeable battery. The color display has four levels of power indication once ...

SKU: AF-5391 | Brand: Adafruit

If you're messing around with floppy drives, or disk drives, or other devices that are usually powered with a PC motherboard you'll often see these big 'Molex' connectors used to provide power. They are used to give 5...

SKU: SF-TOL-16886 | Brand: SparkFun

Have you ever needed to power a project while in your car? Now you can without having to drag a computer along with this cost effective 5V, 2.4A USB car charger. These car chargers have a standard USB 'A' connector fo...

SKU: EF-EF03091 | Brand: ElecFreaks

The Wireless Charging Module can be applied in electronic equipments in common use for close wireless charging or power supply. Consisted of a transmitter and insolation coil, it could serve as a replacement for th...

SKU: SF-PRT-15353 | Brand: SparkFun

Sometimes we want our projects on, but sometimes we want to turn them off for a while to save power. The SparkFun Nano Power Timer will run while only consuming minimal power (approximately 35nA) and turn your project...

SKU: DF-DFR0535 | Brand: DFRobot

DFRobot is launching a brand new series - Sunflower, focusing on high-efficiency, small power solar energy management for IoT projects and renewable energy applications.   Solar Power Manager is ...

SKU: AF-1459 | Brand: Adafruit

This inductive charging set provides wireless power transfer using a split-transformer design. The transmitter coil is powered with 9–12 V DC, and the receiver coil outputs 3.3 V DC — no direct wire connection between...

SKU: PL-2833 | Brand: Pololu

The compact (0.5″ × 0.7″) D24V10F9 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 9 V while allowing for a maximum output current of 1 A....

SKU: AF-2789 | Brand: Adafruit

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 ...

SKU: PL-2172 | Brand: Pololu

This style of high-current connector is commonly used with the 7.2V sub-C battery packs that power many RC cars. The connector is keyed so that power cannot be reversed, and a latch secures the connection so that it ...