Arduino Power Supplies and Voltage Regulators

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...

This ADABOX is a multi-sensory feast - Lights! Sound! Squishy buttons! This box comes with a NeoTrellis M4. It's a grid of 4x8 silicone buttons, wi...

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...

Keystone Electronics 18650 Battery Holders are ideal for 3.7V, high energy, lower weight mobile electronics, industrial, and telecomm applications ...

Get glowing in seconds with our Electroluminescent (EL) Panel Starter Pack! This pack contains everything you need for your first EL panel proje...

The Spectacle Light and Sound Kit makes it easy to incorporate button-activated sound and light effects into your projects with ease! The Light and...

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 ...

Keep your microcontroller tickin' with a a fancy timing crystal. This 16.000 MHz model comes in a HC49/US 'short style' standard package and is bre...

Adafruit is now a phone company :)  Or, well, we've sold DIY cell phones for awhile now but you've never been able to buy your FONA and a SIM Ca...

Most project of Arduino may need more than two voltage supply. When feed with from 4.5-35V, this arduino power shield able to provide a voltage ra...

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a...

The ETH008 provides eight volt free contact relay outputs with a current rating of up to 16Am. The module is powered from a 12vdc supply which c...

This is a waterproof DC-DC converter. With 8-40V DC input, it converts to 12V@6A which is ideal supply for embedded PC and robot power. SPE...

This is a 6-pin female header, with extra long legs – great for stacking Arduino shields. Pins are spaced by 0.1". Documents: Datasheet

There's two standard ways to power electronics - USB or 5.5mm/2.1mm DC barrel jack. This or that! With this USB to 2.1mm Male Barrel Jack Cable,...

This D65 wheel set is Discontinued Now, We recommend other best selling Wheels and Casters as a suitable replacement. This wheel set includ...

These are your standard 1.5V AA alkaline batteries from Duracell. Don’t even think about trying to recharge these. Roughly 1500mAh per AA cell. Com...

This is a super beefy non-rechargeable CR2450 Lithium Coin Cell Battery!Coming in at a 24.5mm diameter and 5mm thickness this battery kicks major b...

This is a simple two wire cable. One end has a 2 pin female 0.1" pitch connector. Opposite end has 2-pin JST connector. Dimensions: 130mm Documen...

+12V 3A fixed voltage regulator. TO-220 package. Specifications active mount type ...

This high discharge LiPo is a great way to power any R/C, robotic, or portable project. This is an excellent choice for anything that requires a...

This is an extremely tiny and light weight battery based on the new Polymer Lithium Ion chemistry. This is the highest energy density currently in ...

These are very slim, extremely light weight batteries based on Lithium Ion chemistry. Each cell outputs a nominal 3.7V at 1000mAh! Comes terminated...