Arduino Power Supplies and Voltage Regulators

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely ch...

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charg...

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 ...

Single Slots 1x 9V Battery Holder Case with wire leads for soldering / connecting.Keep your batteries organised and protectedLead Cable Length:Appr...

Ever wanted to feel like Magneto? Well, now you sort-of can! Bring the ferromagnetic objects in the world under your control with an ElectromagnetT...

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(0.22x0.08"), c...

The holders are moulded in Delryn with corrosive resistant nickel plated springs and studs. - We can supply OEM quantities of holders...

Still using a big, bulky, traditional power adapter to charge your lithium battery? DFRobot provides you with a compact and efficient 7.4V lithi...

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 a...

Add a power switch to any project simply by plugging this between the power supply. This is the most useful thing you never knew you needed! You'll...

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-pos...

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...

Lithium ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light and powerful. The output ranges from 4.2V when completely charg...

Raspberry Pi 8 channel Level Switching (3.5V to 5V) IO Module Logic Level Converter is able to convert signals from 5V down to 3.3V (and vice ve...

By popular demand, we now have a handy extension cord for all of our JST-terminated battery packs (such as our LiIon/LiPoly and 3xAAA holders). One...

We've got battery holders for all sorts of needs and projects! Waterproof? Here ya go. With an on/off switch? Easy peasy. Here's our latest a...

Double up your power adapters with this wonderfully simple 2-way power jack splitter. All you have to do is connect a standard 5.5mm/2.1mm sized pl...

The SparkFun 5V Buck Regulator Breakout features the AP63357 from Diodes Inc., a 3.5A synchronous buck converter with a wide input voltage range of...

It can be difficult to get a wall-wart where you need it. The promise of PoE (power over ethernet) is great, but what if your device doesn't use et...

This Intel AX210NGW network card takes you into the Wi-Fi 6 era!Adopting the upcoming Wi-Fi 6E standard, the network card provides three-band (2.4G...

Our RedBoards are great. But don't they sometimes seem a little BIG?! Enter smôl, a new range of boards which are both small in size and small ...

This is a collection of most commonly-used connectors of Arduino. This kit include 24 kinds of common connectors, such as male/female header, USB c...

Easy e-paper finally comes to microcontrollers, with this breakout that's designed to make it a breeze to add a tri-color eInk display. Chances are...

RGB panels are excellent fun but wiring them up can be a pain. This simple shield for Arduino connects the necessary 14 digital pins to drive ou...