$9.95

In stock

Adafruit LiIon or LiPoly Charger BFF Add-On for QT Py

Product ID: 5397

Is your QT Py all alone, lacking a friend to travel the wide world with? When you were a kid you may have learned about the "buddy" system, well this product is kinda like that! A board that will watch your QT Py's back and give it the power and support to wander out past your USB port. This little lipo charger is designed to fit onto the back of any QT Py board, and...

$4.95

In stock

Lithium Ion Polymer Battery 3.7v 420mAh with JST 2-PH connector and short cable

Lithium Ion Polymer Battery with Short Cable - 3.7V 420mAh

Product ID: 4236

Lithium-ion polymer (also known as 'lipo' or 'lipoly') batteries are thin, light, and powerful. The output ranges from 4.2V when completely charged to 3.7V. This battery has a capacity of 420mAh for a total of about 1.55 Wh. If you need a larger (or smaller!) battery, we have a full range of LiPoly batteries The batteries come pre-attached with a genuine 2-pin JST-PH...

$6.95

In stock

Adafruit DC Power BFF Add-On for QT Py

Product ID: 5882

We were recently working on a project where we really wanted to power a QT Py ESP32 from 12V - but the only power input on the board is basically USB 5V max. Never one to give up, we designed an add-on that will allow anyone to use a QT Py or Xiao dev board with up to 20V DC power! In the center is an MPM3610 integrated buck converter, which will generate 5V from up...

$7.95

34 in stock

5V 4A switching power supply brick with figure 8 power port.

5V 4A (4000mA) switching power supply - UL Listed

Product ID: 1466

Need a lot of 5V power? This switching supply gives a clean regulated 5V output at up to 4 Amps (4000mA). 110 or 240 input, so it works in any country. The plugs are "US 2-prong" style so you may need a plug adapter, but you can pick one up at any hardware store for $1 or so, or you can buy a 'figure-8' cable for your country, also available at any electronics or...

$14.95

In stock

5V 1.5A Linear Voltage Regulator - 7805 TO-220

Product ID: 2164

Product ID: 1448

Wow, is this not the most useful thing you did not know existed or what? It's a switching wall adapter where you can easily change the voltage! It's like a benchtop supply you can take with you anywhere. This model is 10 Watts and has 6 selectable outputs ranging from 3V to 12VDC and up to 1.5A output. It has a 2-prong plug but takes 110VAC to 240VAC so you can use...

$14.95

In stock

Adafruit Push-button Power Switch Breakout

Product ID: 1400

Product ID: 5612

This SHIM from the Pimoroni Pirates provides a convenient way of powering your Raspberry Pi Pico from a LiPo/LiIon battery. You can recharge the battery easily by providing power to the Pico's USB port, then take your Pico or Pico W project on the go with the battery pack powering your circuitry. Solder this neat little square to the pins on the back of your Pico,...

$8.95

19 in stock

Small Inductive Coil and 10 Wireless LED Kit - 5V

Product ID: 5140

Adding LEDs to anything makes it 5x better -- it's a scientific fact! But when you have LEDs, you've got wires and power supplies and all that stuff is kinda annoying. What if you could have LEDs that light up without any wires or soldering or battery packs? Sounds magical! That's what makes this Small Inductive Coil and 10 Wireless LED Kit so nifty. It uses...

$14.95

In stock

Inductive Charging Set - 5V @ 500mA max

Product ID: 1407

The squarish board with two chips on it is the transmitter (power with 9V). The longer board is the output and you can connect that to the part of your project that needs powering. Inductive charging is a way of powering a device without a direct wire connection. Most people have seen inductive charging in a rechargable electric toothbrush: you may have noticed that...

$9.95

In stock

Shot of a coiled USB to 2.1mm Male Barrel Jack Cable.

USB to 2.1mm Male Barrel Jack Cable - 22AWG & 1 meter

Product ID: 2697

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, you can now power 5V DC powered electronics that have a DC jack from a USB jack with a handy 1 meter long cable. Simply plug the USB A side to any computer, PowerBoost, USB wall adapter, or even a USB battery pack. Other...

$2.75

In stock

Angled shot of 3 x AAA battery holder with on-off switch, JST PH connector, and belt clip.

3 x AAA Battery Holder with On/Off Switch, JST, and Belt Clip

Product ID: 3286

This battery holder connects 3 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is slim, and 3 AAA's add up to about 3.3-4.5V, a very similar range to Lithium Ion/polymer (Li-Ion) batteries, plus it has a nifty on-off switch. That makes them ideal for use with 3.3V projects that have a 2-pin JST connector meant...

$2.95

In stock

Angled shot of a Panel Current Meter reading 5.18.

Panel Volt Meter - 4.5V to 30VDC

Product ID: 575

Product ID: 3287

Product ID: 2379

ON...off...ON...off...ON...off...ON...off...WE CAN'T STOP CLICKING THIS ON-OFF SWITCH! It has such a satisfying click and it works so well. Plus, it's just about perfect for charging your Raspberry Pi - either Model B, A+, B+, or Pi 2. Just hook up the standard USB end to a 5V 1A USB port power supply or 5V 2A USB port power supply and the Micro B end to a Raspberry...

$5.95

In stock

Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display

Product ID: 3624

This Mini Power Meter with Voltage, Current, Watts, mAh & mWh Display (whew that is a mouth-full) is a lot like the USB In-Line Voltage and Current Meter we carry but can be used with a wide range of voltages (not just USB connections). Measure the working voltage and current output for any project with this really fancy power meter. This power meter has a small...

$24.95

63 in stock

MicroUSB Plug to 5.5/2.1mm DC Barrel Jack Adapter

Product ID: 2727

The premise of this MicroUSB Plug to 5.5/2.1mm 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 to connect one of our 5V 2 Amp, 5V 4A or 5V 10 Amp adapters to something that expects to connect to 5V USB. We also have a shorty adapter-without-cable version Since this...

$1.95

In stock

Top view of multifunctional USB tester connected to a laptop. The display reads voltage and current information.

Multifunctional USB Digital Tester - USB A and C

Product ID: 4232

While this may appear to be an electronic shuriken, it's actually a Multifunctional USB Digital Tester! This handy (pun intended?) tool can measure voltage, current, power, charge time, and other measurements for USB A, Micro B, and USB C! It features a colorful display that pops up when you plug in a power supply. Each click of the button gives you a different...

$24.95

90 in stock

Round solar panel next to lapel pin and quarter

Round Solar Panel Skill Badge - 5V / 40mA

Product ID: 700

This skill badge is self-fulfilling! Normally you would get the badge after the project is done, but in this case, the badge can be part of the project! The solar panel is epoxied into a round disc 55mm diameter (about 2.2 inches), its rugged and looks cool besides. We include a sticky foam pin back you can attach to the back of the panel to mount it onto a backpack,...

$2.95

84 in stock

Angled shot of thirty barrel jack adapters assembled on rubber reels.

30 Piece 5.5 / 2.1mm to DC Barrel Jack Adapter Kit

Product ID: 5474

We have a lot of power adapter packs in the shop - from 9V to 12V to 5V we even have an adjustable power supply like one of these. But all of them will come with the same standard 5.5mm / 2.1mm DC barrel jack that is most common on many devices. What if you'd like to power something different, say some old synthesizer or a laptop or some other whats-it? Basically,...

$10.95

77 in stock

JST PH 2.0mm Pitch Connector 560 Piece Kit with many connectors and contacts in opened box

2.5mm Pitch Connector Kit - JST XH Compatible - 560 Piece Kit

Product ID: 4423

Totaling 560 pieces, this 2.5mm Connector Kit with JST-XH Compatible Connectors is a must-have for your workstation. You'll have enough sockets and headers to fuel your maker tendencies for days on end! These connectors are really common in electronics, we use the 2 pin ones for our arcade quick-connects. Since they are 2.5mm they are very close to and will fit 0.1"...

$24.95

In stock

TPS62827 3.3V Buck Converter Breakout - 3.3V Output 2 Amp Max

Product ID: 4920

Product ID: 770

Keep your power source safe and toasty in these waterproof 2xAA battery holders. They're just like classic switched battery holders, but designed for survival! The case has a rubber gasket around the edge of the case (its black and hard to see in the photos but it is there) and attaches together with 4 machine screws. What we like about this design is that the...

$3.95

In stock

Inductive Charging Set - 3.3V @ 500mA max

Product ID: 1459

$9.95

80 in stock

Mini DC/DC Step-Down (Buck) Converter - 5V @ 1A output - TSR12450

Product ID: 1065

Your power supply problems just got SOLVED! These DC/DC converter step-down switching regulators are drop-in replacements for inefficient 78xx linear regulators. The little module may look tiny but inside is a high efficiency converter (up to 94%) which can output 1 Amp at 5V with up to +60°C ambient temperature without the need of any heat-sink or forced...

$14.95

90 in stock

Pimoroni LiPo SHIM

Product ID: 3196

Having a discrete, slick, and tidy power supply is always tricky when taking a project on the go...but get ready to roam the earth worry free with the tiny little Pimoroni LiPo Shim! It aims to give you the most compact power supply possible for all versions of Raspberry Pi. You can either solder the 0.8mm thick PCB directly to the bottom of your GPIO header for a...

$14.95

37 in stock

Alkaline AA batteries (LR6) - 4 pack

Product ID: 3349

Battery power for your portable project! These batteries are good quality at a good price, and work fantastic with any of the kits or projects in the shop that use AAs. This is a pack of 4 AA batteries. These batteries are Alkaline (MnO2) chemistry, with a voltage range of 1.6V (fresh) to 0.8V (dead). The mAh capacity depends on discharge usage but for AA alkaline...

$2.95

In stock

Small -1 Amp to +1 Amp DC Current Analog Panel Meter

Product ID: 4404

Analog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly. This Small -1 Amp to +1 Amp DC Current Analog Panel Meter is handheld-size, with three screws to open up the panel and replace the backing paper, if you like. Great for measuring larger bidirectional current draws,...

$6.95

74 in stock

Angled shot of a 12mm Coin Cell Breakout Board with On-Off Switch.

12mm Coin Cell Breakout w/ On-Off Switch

Product ID: 1867

Simple but effective - this breakout board has a CR1220 coin cell battery holder soldered on, an on/off switch and 0.1" pitch breakout pins for easy connecting. Great for powering very low-current projects, or adding a battery backup circuit to a real-time-clock or similar. There's two ground pins, one 'switched' power pin, and one pin that is always on. Comes with...

$2.75

93 in stock

2V 0.3W Mini Solar Panel - ETFE - Voltaic P121

Product ID: 5853

These panels come to us from Voltaic Systems, makers of fine solar-powered bags and packs. These are waterproof, scratch-resistant, and UV-resistant, and they use four high-efficiency monocrystalline SunPower cells with 22+% efficiency (praise the sun!). The panel is made of 4 cells with a nominal voltage of 0.5V each, so we call this a "2V" panel They output a...

$5.50

32 in stock

Angled shot of power supply with barrel jack.

Raspberry Pi Build HAT Power Supply - 8V DC at 6 Amps

Product ID: 5288

Power your Raspberry Pi Build HAT projects with the Raspberry Pi Build HAT Power Supply. This 48W power supply will power the Build HAT and connected LEGO Technic motors, as well as your Raspberry Pi computer. Outputs 8V DC (yep, that's the LEGO Technic voltage requirement) at 6A for plenty of power to your robotic project with left-over current that is stepped-down...

$15.00

In stock

USB to 2.1mm DC Cable with Booster module

USB to 2.1mm DC Booster Cable - 9V

Product ID: 2777

Product ID: 5369

$64.95

94 in stock

Angled shot of ten 4-pin JST-PH connectors.

2mm 4-pin Horizontal Connector - JST PH Compatible - 10 Pack - STEMMA

Product ID: 4392

Designing boards with plug-n-play connectivity is a snap, with STEMMA connectors. Here's a pack of 10 of our favorite 2mm pitch connector which are compatible with the JST PH 4 pin. These are the horizontal style. You can use these with any of our JST PH 4-Pin compatible / STEMMA cables. They're not STEMMA QT compatible (those use the smaller JST SH compatible)....

$3.50

92 in stock

CR2450 Lithium Coin Cell Battery

Product ID: 2850

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 butt with a nominal voltage of 3V and a capactiy of 610mAh! For other drain rates the capacity may be reduced, check the datasheet!

$0.75

35 in stock

Large 5V Analog Panel Meter

Product ID: 3990

Analog panel meters are arguably not as blingy or flashy as LEDs, but their simplicity adds a touch of elegance and makes them easier to read quickly. This Large 5V Analog Panel Meter is about handheld-size, with one screw to open up the panel and replace the backing paper, if you like. Even though it's designed for analog signals, you can use it with digital signals...

$9.95

71 in stock

USB Extension Cable with Data/Charge Sync Switch

Product ID: 3438

Your cell phone charges off of USB, but can you really trust that charging station at the airport? Now you can control when to allow data in or out of your device with this little USB extension cable. You can plug it onto the end of any USB data/sync cable you have: mini-USB, micro-USB, Apple Lightning, or any other proprietary type. Voila! Your cable's data lines...

$2.95

57 in stock

Solar Bug Kit 2.0 from Brown Dog Gadgets - 4 Pack

Product ID: 5415

Create multiple solar-powered insects that moves with this fun-filled STEM project from Brown Dog Gadgets! Learn about solar energy by creating a simple solar circuit in minutes using only conductive tape! Cut out your bug, decorate it, then add your solar cell and vibrating motor. All parts are connected with our special Maker Tape conductive tape, perfect for...

$24.95

9 in stock

Angled shot of ten JST PH 3-pin Vertical Connector.

2mm 3-pin Vertical Connector - JST PH Compatible - 10 Pack - STEMMA

Product ID: 4389

Designing boards with plug-n-play connectivity is a snap, with STEMMA connectors. Here's a pack of 10 of our favorite 2mm pitch connector which are compatible with the JST PH 3 pin. These are the vertical style. You can use these with any JST PH 3-Pin or Compatible / STEMMA cables. They're not STEMMA QT compatible (those use the smaller JST SH compatibles). We also...

$3.50

44 in stock

MicroUSB to 5.5/2.1mm DC Barrel Jack Adapter

Product ID: 2789

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 to connect one of our 5V 2 Amp, 5V 4A or 5V 10 Amp adapters to something that expects to connect to 5V USB. We also have a cable-version of this, but this one is...

$1.95

68 in stock

2 x AAA Open Battery Holder with JST PH Connector

Product ID: 4192

This battery holder connects 2 AAA batteries together in series for powering all kinds of projects. We spec'd these out because the box is open and nicely slim, and 2 AAA's add up to about 3V for low-voltage electronics projects. Fits any standard AAA battery. When using rechargeable NiMH the output voltage will range from about 2.7V with charged batteries to 1.8V at...

$1.75

49 in stock

High Current Inductive Charge Kit - 5V @ 1.3A max

Product ID: 4430

These panels come to us from Voltaic Systems, makers of fine solar-powered bags and packs. These are waterproof, scratch resistant, and UV resistant. They use a high efficiency monocrystalline cell. They output 6V at 930 mA via 3.5mm x 1.1mm DC jack connector - a nice upgrade to the 2W or 3W panels we have been carrying. The substrate is an aluminum / plastic...

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Discontinued

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USB Micro B Cable with Data/Charge Sync Switch

Product ID: 3439

Your cell phone charges off of USB, but can you really trust that charging station at the airport? Now you can control when to allow data in or out of your device with this little USB extension cable. It can be used with any device that has a micro USB port, which is like just about anything except for Apple devices. Voila! Your cable's data lines can now be switched...

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Discontinued

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Lithium Ion Coin Cell Charger

Product ID: 1573

This is a special-purpose charger just for the rechargeable LIR2450 Lithium Ion coin cells. Slide the coin cell in the right way, and plug into any USB port to recharge - so easy! Takes about 3 hours to charge up, when its done, the green DONE LED will light up to let you know. Rechargeable coin cell is not included, but we have 'em in the shop here Charging is...

Discontinued

Product ID: 2115

Discontinued

Qi Wireless Charger Sleeve - iPhone 5 Lightning Connector

Product ID: 1926

You may have seen those fancy Android people with wireless charging built into their phones. Wouldn't it be nice if your iPhone 5 could do the same? With this snap-on sleeve, you can! Once plugged into your phone, you can use any Qi charging plate (we picked up one from our local cell phone shop). Just place the phone on the plate to recharge your phone. The case is...

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Discontinued

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Universal Qi Wireless Charging Module - 60mm Forward MicroUSB

Product ID: 2117

Discontinued

Product ID: 2677

Discontinued

Australian Plug Power Adapter

Product ID: 991

This adapter will let you plug into a US 2-prong power adapter in the following locations: American Samoa, Argentina, Australia, China, El Salvador, Fiji, Guatemala, Kiribati, Nauru, New Zealand, Panama, Papua New Guinea, Saint Vincent and the Grenadines, Tajikistan, Tonga, Uruguay-- and also the city of Okinawa, Japan. Compatible with all the power adapters Adafruit...

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Discontinued

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Angled shot of Hand-Crank Power Outlet charging a smart phone with an Adafruit background.

Pocket Socket 2 - Hand-Crank Power Outlet

Product ID: 1462

The Pocket Socket 2 is a hand-cranked generator that provides electrical power on the go! It is perfect for anyone who needs to charge a portable electronic device immediately, but does not have access to a wall outlet. From the business traveler to outdoor enthusiast, commuting student to emergency personnel, the Pocket Socket is a great eco-friendly source for...

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Discontinued

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On/Off Power Switch with Status Light

Product ID: 3723

"HURRY, FRANK, THERE'S TOO MUCH POWER! We'll have to cut the circuit before this reactor goes up in smoke!" This simple but effective product is a solution to all your accidental-tourist-stuck-in-a-nuclear-power-plant-that-just-happens-to-be-right-above-a-now-active-volcano problems! Or just something without an off-switch. Say you have a nice, elaborate setup for...

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Discontinued

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Angled shot of Top-down shot of camcorder battery holder for Canon LP-56.

Camcorder Battery Holder for Canon LP-E6

Product ID: 2271

This is an interesting kind of battery holder, usually you'll see ones that are designed for holding like AAA's or something. This battery holder is designed to clip into and hold camcorder batteries. Specifically, the common Canon LP-E6 rechargeable Lithium-Ion Battery Pack (7.2V, 1800mAh). We also have a holder for the SONY NP-Fxx series and Pansonic...

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Discontinued

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