We sure love the ATmega328 here at Adafruit, and we use them a lot for our own projects. The processor has plenty of GPIO, Analog inputs, hardware UART SPI and I2C, timers and PWM galore - just enough for most simple projects. When we need to go small, we use a Metro Mini, but when size isn't as much of a concern, and a USB-serial converter is required, we reach for an Adafruit METRO . METRO is the culmination of years of playing with AVRs:...

What did the lanyard say to the hat? "You go on ahead, I'll hang around." Terribly good puns aside, we've got a Double-Hook Lanyard in classic Adafruit black. This lanyard is a fantastic accessory for turning your HalloWing M0 Express into a display badge!

Coming soon! Sign up to be notified when we have these in stock Sometimes we wonder if robotics engineers ever watch movies. If they did, they'd know that making robots into slaves always ends up in a robot rebellion. Why even go down that path? Here at Adafruit, we believe in making robots our  friends! So if you find yourself wanting a companion, consider the robot. They're fun to program, and you can get creative with...

Jam-packed with analog and digital inputs, outputs, and a relay, Pimoroni's automation:bit is the perfect micro:bit add-on for controlling smart home, automation or even small robotics projects. It gives you power to control and control over power, whether it's to turn on and off lamps, fans, solenoids, smart sprinkler systems, etc. Comes fully assembled, just plug your micro:bit into the slot and use the ready-to-go MakeCode...

Is your favorite robot currently in a mid-life crisis? Does it need a new purpose or perhaps, direction?  Well now you can find your way with the affordable and easy to use Slamtec RPLIDAR A1 You may have heard of LIDARs when people talk about self-driving cards. A LIDAR is a sensor that can detect distance precisely, using a laser. Unlike Time-of-Flight sensors, LIDARs are incredibly fast. Unlike sonar/ultrasonic sensors, they're...

We've been stocking some options in conductive copper foil and nylon tape recently, but sometimes a project needs material that's more analog . Enter this nice chunky spool of Rainbow Crafting Yarn ! You can use this material to decorate your robot, or of course as a colorful twin in guides such as the Crickit Mini Golf Course or the Carnival Swing Ride Yarn is made of cotton, you could use it for knitting too!

If you're a DIY enthusiast who likes to micro -manage your project's connections, here is a 5-pack of some micro USB connectors! They're sturdy metal with 4 through-hole mounting tabs, its really hard to rip these off a PCB. In an SMT line you can just paste over the through holes and the pads will solder in place. We use this connector for all our micro B USB boards (Feather, Circuit Playground, etc.) So if you...

Hear the good news! This speaker is a great addition to any audio project where you need a 4 Ohm impedance and 3W or less of power. At 40mm diameter it has a more square-ish shape, but a smaller face. Sound quality and volume are nicely sandwiched between our Thin Plastic Speaker with Wires and the honkin' 20W 4 Ohm Full Range Speaker. This bite-sized speaker comes with two long color-coded wires to solder to or plug into a...

So you've got a cool/witty name for your band, a Soundcloud account, a 3D-printed Daft Punk helmet... so what could be missing from your road to stardom? The NeoTrellis M4 Kit Pack , of course! The NeoTrellis M4 is an all-in-one USB + NeoPixel + Elastomer + Audio board. It's powered by our new favoritest-chip-in-the-world, the SAMD51, a Cortex M4 core running at 120 MHz. This chip has a speedy core with CircuitPython and...

So squishy! These silicone elastomer keypads are just waiting for your fingers to press them. Go ahead, squish all you like! (They're durable and easy to clean, just wipe with mild soap and water) These are just like the light up rubber buttons you find on stuff like appliances and tools, but these are open source and easy to integrate into your next NeoTrellis project! Each button is 10mm x 10mm square and 10mm tall . There is 5mm of grid...

We got a big ol' blender and tossed in an ItsyBitsy M4, two NeoTrellis boards and an electret mic amp - turned on the 'mix' button and out came the NeoTrellis M4 - a super fun dev board for anyone who likes to squish buttons, see pretty lights and maybe make a tune or two. The NeoTrellis M4 is an all-in-one USB + NeoPixel + Elastomer + Audio board. It's powered by our new favoritest-chip-in-the-world, the SAMD51, a Cortex M4 core...

So you've got your Adafruit NeoTrellis M4, a cool/witty name for your band, a Soundcloud account, a 3D-printed Daft Punk helmet... so what could be missing from your road to stardom? The NeoTrellis M4 Enclosure , of course! A super-specifically laser-cut enclosure that turns your 'Trellis into a handheld light/music maker!  Includes: 3 x Clear Acrylic Cutouts1 x Black Acrylic Cutout5 x M3 Black nylon hex...

Copper tape can be an interesting addition to your toolbox. The tape itself is made of thin pure copper so it's extremely flexible and can take on nearly any shape. You can solder to it, and the tape itself can carry current just like a wire. On the back is an electrically conductive adhesive. The adhesive can't carry significant current, but it is very handy for sensing applications where you don't want to solder the copper tape....

This cable will let you turn a JST PH 4-pin cable port into 3 individual wires with high-quality 0.1" male header plugs on the end. We're carrying these to match up with any of our boards with 'STEMMA' connectors on them such as the Hallowing or Trellis M4. Can also be used with any STEMMA breakouts! This one has header pins, so it could be used to connect to socket header or breadboards. The wires are even color...

This cable will let you turn a JST PH 4-pin cable port into 3 individual wires with high-quality 0.1" female sockets on the end. We're carrying these to match up with any of our boards with 'STEMMA' connectors on them such as the Hallowing or Trellis M4. Can also be used with any STEMMA breakouts! This one has socket pins, so it could be used to connet to wires or headers. The wires are even color coded: Black for GNDRed for...

With our fun assortment of conductive materials, cosplay and wearables have never been easier to craft!  This  Conductive Nylon  tape goes great with our other interesting materials, such as copper tape, ITO glass or plastic, conductive inks, etc. We found that the metallic nylon fabric has some great improvements over plain copper tape. First of all  it doesn't crack when bent or twisted!...

With our fun assortment of conductive materials, cosplay and wearables have never been easier to craft!  This Conductive Nylon tape goes great with our other interesting materials, such as copper tape, ITO glass or plastic, conductive inks, etc. We found that the metallic nylon fabric has some great improvements over plain copper tape. First of all it doesn't crack when bent or twisted! So you can make all sorts of odd shapes and...

Sometimes we wonder if robotics engineers ever watch movies. If they did, they'd know that making robots into slaves always ends up in a robot rebellion. Why even go down that path? Here at Adafruit we believe in making robots our  friends ! This AdaBox008  is based around  CRICKIT  a  C reative  R obotics and  I nteractive  C reations tool  KIT . When paired with motors, servos, a Circuit...

The Adafruit Feather series gives you lots of options for a small, portable, rechargeable microcontroller board. Perfect for fitting into your next prop build! This FeatherWing will unlock the prop-maker inside all of us, with tons of stuff packed in to make sabers & swords, props, toys, cosplay pieces, and more. We looked at hundreds of prop builds, and thought about what would make for a great low-cost (but well-designed) add-on for our...

Here is the perfect kit for mounting a convex lens (glass or plastic) to your HalloWing! This holder has been laser-cut specifically for lenses with a lip-edge, so we can't guarantee it'll fit with any ol' convex lens. But it does work great with ours. And of course, the mounting hardware is included so you can snap it right onto your HalloWing. Takes less than five minutes to assemble, you just need a screwdriver. Please note: It...

Light up the winter nights this year with an electronic Snow Globe! This kit provides everything you need to make your very own, no soldering required! You can use MakeCode to program various light and sound effects into the Circuit Playground Express. MakeCode uses easy-to-understand drag and drop programming blocks, so even if you've never programmed before, you'll be rockin' like the Rockettes. Check out the many electronic snow...

Make a nice portable power pack with this 4 x AA battery holder. It fits any alkaline or rechargeable AA batteries in series. There's a snap on cover and an on/off switch which can be handy when wiring to something without a switch. New ! We now have 0.1" headers on ends of these cables so you can plug them into a breadboard or headers with ease! Of course, you can still always solder to them or cut the ends off. The four batteries are...

Pimoroni has taken all the great features of the Picade PCB and crammed them onto this super Picade X HAT . It's the best, easiest way to make a super-sweet arcade system using any Raspberry Pi. Simply pop it onto your Pi,  plug your Pi power supply into the micro-USB connector on the Picade HAT  (it back-powers your Pi through the GPIO, so no need for a separate power supply), wire up your controls to the terminal...

Are you the kind of person who doesn't like taking down the skeletons and spiders until after January? Well, we've got the ADABOX for you. This is electronics at its  most spooky!  ADABOX 009 is Halloween themed, for all of us who love scares, costumes, and (of course!)  candy . OK, so we didn't fill this ADABOX with candy corn, but we did curate a collection of inspiring electronics to make your Halloween more...

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 400mAh for a total of about 1.9 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 25mm long JST-PH connector as shown and include the necessary...

Bosch has been a leader in barometric pressure sensors, from the BMP085. BMP180, and BMP280... now we've got the next generation, the Adafruit BMP388 Precision Barometric Pressure sensor . As you would expect, this sensor is similar to its earlier versions but even better . The BMP388 has better precision than ever, which makes it excellent for environmental sensing or as a precision altimeter . It can even be used in either I2C and SPI...

Get your 'bot rolling with this durable and smooth steel ball caster. We like the size (not too big, not too small) and surprisingly fluid motion of this caster. It's also really easy to attach, with two screw mounts that will allow you to attach it to any chassis material.  Note that it doesn't come with any mounting hardware , use 4-40 or M3 screws to attach to whatever you like. Matches with our purple metal chassis, but can...

Get your 'bot rolling with this durable and smooth steel ball caster. We like the size (not too big, not too small) and surprisingly fluid motion of this caster. It's also really easy to attach, with two screw mounts that will allow you to attach it to any chassis material. Note that it doesn't come with any mounting hardware , use 4-40 or M3 screws to attach to whatever you like. Matches perfectly with our purple metal chassis, but...

Here at Adafruit we never tire of cool, new displays, so these super sweet e-paper displays really caught our eye! Pimoroni's Inky pHat is a petite 212x104 pixel two-color display that looks fantastic and is easy to read even in bright daylight. Broadcast your tweets, the weather, or even graphing data. eInk is great for displays that don't change often, due to the 3-second display-change-cycle. But the...

How many pockets does an OTG (On The Go) maker need to carry their boards, wires, miscellanea when away from their desk? The world may never know.  We get serious satisfaction when things fit into other things, so we fell in love with this zipper case as it is the exact perfect size for a Circuit Playground Express!   There's even a little inside pocket that you can use to stash accessories like USB...

When 0.1" is too big, and JST PH's too chunky, the ultra-slim "PicoBlade" is a reliable alternative. These are only 1.25mm pitch, but have a nice clicky connection. This cable is nice and long, 200mm in fact. It's got both small form factor (won't take up a lot of real estate on your PCB) and friction lock to make easy-breezy connections to your HalloWing or anything else with a 1.25mm PicoBlade connection.

We've got battery holders for all sorts of needs and projects! Waterproof? Here ya go. With a clicky on/off switch? Easy peasy. Here's our latest addition in classy Adafruit black:  2 x AA Battery Holder with Knife Switch . What's so special about 'em? Well with the knife switch you can easily control the flow of electricity to your project. While there are many battery holders with slide switches, we think this is...

Whether you're raiding tombs or traversing nuclear fallout wastelands, this is the most heavy-duty enclosure for your project! Weatherproof? Check. Tough polycarbonate cover? Check. Built-in gasket seal? Oh yeah, check. Store your project safe and sound in this Flanged Weatherproof Enclosure . We especially like the machinable ABS plastic body, four mounting holes, and the easy-open screws that can be taken apart as many times...

Most modern headphone sets are purely digital - with three volume control buttons in-line with the cable. These headphones are interesting in that they have an analog volume control potentiometer. Perfect for use with electronic projects that don't have a volume control, or for phones that don't know how to use the digital buttons. There is one button on the headset, often used for 'pause' or 'mute' - when pressed it...

"If you've got a good idea, and you know it's going to work, go ahead and do it." – Grace Hopper Grace Hopper dedicated her life to solving computer problems. With her passion for problem-solving and insatiable curiosity, "Amazing Grace" revolutionized computer programming.  Grace Hopper: Queen of Computer Code is an inspiring, upbeat picture-book biography of one of STEM's unsung heroes....

You can now create a dazzling display with your Raspberry Pi Model Zero/A+/B+/Pi 2 or Pi 3 with the Adafruit RGB Matrix HAT. This HAT plugs into your Pi and makes it super easy to control RGB matrices such as those we stock in the shop and create a colorful scrolling display or mini LED wall with ease. This HAT is our finest to date, full of some really great circuitry. Let me break it down for you: Simple design  - plug in power, plug in...

Since we first started carrying NeoPixels back in 2012, the chainable RGB LEDs have taken over the world. And a big part of that success is due to the simplicity of their wiring - just one data wire, no matter how many pixels you've got. So no surprise they're everywhere , blinking away in art exhibits, maker faire demos, DJ booths, decorations and costumes. But, at some point, every NeoPixel'er bumps into the constraints of that...

Tired of webpages that are chock-full of ads and malware - impossible to use? This kit will make a Raspberry Pi 3 act as a DNS ( Domain Name Server ) The kind of device that tells you that  adafruit.com  is known as IP address 104.20.38.240. Except, when Pi Hole DNS is installed, it will do a special trick, when it is asked for the IP address of ads.adserver.com (for example) it will return nothing! So you will never even connect to...

A long time ago we made a Pi into a WiFi gateway that also blocked ads but the Pi Hole project does a  way  better job! This kit will make your Pi Zero W act as a DNS ( Domain Name Server ) The kind of device that tells you that  adafruit.com  is known as IP address 104.20.38.240. Except, when Pi Hole DNS is installed, it will do a special trick, when it is asked for the IP address of ads.adserver.com (for example) it will...

Zero Stem?  More like, full stream ahead! This is a neat little PCB shim that transforms your Raspberry Pi Zero into a USB dongle! Super handy when you want to share your computer's Internet connection without messing with extraneous adapters, cables, what have you. Works great with our USB Gadget for Raspberry Pi Zero guide. Once soldered on, the Stem lets you plug into USB to get power and data over a computer USB port. Use it on the...

We've got many distance sensors, and the TFmini Distance Sensor is a nice addition. This sensor bounces light off objects and returns the distance in centimeters. It's a nice compact plastic package, with UART serial output. Please note that the company calls this a "LiDAR" but it is not a true LIDAR. Instead, its a time-of-flight (ToF) infrared sensor like the VL53L0X. That said, it's easy to use, and since it spits out...

The ESP8266 started a small revolution by bringing WiFi to a small and cheap package that also had enough processing power and enough pins to get small things done. Now get ready to take your bite-sized WiFi capabilities to the next level with the ESP-WROVER-32 WiFi / Bluetooth Classic / BLE Module! This modules is even more powerful than the WROOM-32 - it has a 8MB PSRAM chip for when you have massive data buffering needs. It is a bigger module...

The bestselling book Getting Started with Circuit Playground Express now comes with a full pack of parts so you can hit the ground running! Getting Started with Circuit Playground Express  is written by our friend, Mike Barela, author of G.S.W. Adafruit Trinket. Mike is a life-long engineer, Maker and writer and recently joined the Adafruit team to write guides and develop new projects. This book gives you the low-down...

"I prefer winter and fall, when you feel the bone structure of the landscape. Something waits beneath it; the whole story doesn't show." – Andrew Wyeth There's something about a Halloween landscape that immediately takes us back to childhood trick-or-treating and homemade costumes. Here's a special Adafruit set of five beautiful Halloween Cards that evoke the spirit of the season, from pumpkins to graveyards to a...

The season of spooky is nigh and here at the Adafruit factory we love Halloween! We have soo many guides in the Adafruit Learn System whether you want to make a HalloWing spirit board, a glowing smokey skull, or a NeoPixel masquerade mask...  Speaking of wearables... We couldn't let us humans have all the fun! Even our Circuit Playground friends have costumes. Peep this  Halloween Sticker Sheet featuring Blinka, Minerva, and...

The season of spooky is nigh and here at the Adafruit factory we love Halloween! We have soo many guides in the Adafruit Learn System whether you want to make a HalloWing spirit board, a glowing smokey skull, or a NeoPixel masquerade mask...  Speaking of wearables... We couldn't let us humans have all the fun! Even our Circuit Playground friends have costumes! Peep this  Halloween Sticker Sheet featuring AdaBot, Cappy, Mho,...

This little sensor is a great way to add UVA and UVB light sensing to any microcontroller project. The VEML6075 from Vishay has both true UVA and UVB band light sensors and an I2C-controlled ADC that will take readings and integrate them. The sensor also comes with calibration registers so you can easily convert the UVA/UVB readings into the UV Index. Compared to our other UV sensors, this one actually does a pretty good job of getting accurate...

We stock a few barometric pressure sensors, great for altitude and weather measurements. This pressure sensor is special because it comes with a metal port! Unlike other pressure sensors, you can easily attach a tube to it, to measure air pressure inside a close space. In particular we think this would be a great sensor for use with making DIY assistive tech "Sip & Puff" interfaces, or measuring the pressure within a vacuum chamber...

Move fluid safely from here to there with this very nice Peristaltic Pump that works with 5V or 6V power . Unlike most liquid pumps, this is a peristaltic type - the pump squishes the silicone tubing that contains the liquid instead of impelling it directly. The upshot? The pump never touches the fluid which makes this an excellent choice for any food/drink/sterile-based pumping such as for making drink-bots or gardening robots! The pump is...

If you've ever made a mistake when surface-mount soldering, you'll know how much of a pain it can be to fix it without the right tools. It can add critical time to a project and can seriously stymie your soldering momentum if you run into a bad component or a faulty reflow. With the Quick 861DW Soldering Station , you can easily rework your boards and get your project back on track. It's also possible to use solder paste (in a...

The eyes have it! Add this little lens to make a big expression with our Spooky Eyes demo for microcontrollers or Raspberry Pi. These are plastic lenses, with brilliant clarity and a nice convexity (is that a word?) They've even got a lip-edge so you can mount them easily with a 38mm cutout. We've attached these to our Raspberry Pi Animated Eyes Bonnet Kit for a real nice upgrade! This product is just a single PLASTIC lens ....

This Reflective IR Sensor is a simple plastic casing with two elements - an IR LED and an IR phototransistor. You can control the IR LED and turn it on to bounce IR off objects to determine their reflectivity. White & light colored stuff will bounce the light, so  you can detect it. Black & dark colored stuff will absorb the IR light so that it isn't detected. Likewise, if something isn't in the way of the sensor, it...

Pimoroni's HyperPixel features a 4.0" display with 800x480 18-bit color pixels. The plate uses the high speed DPI interface on the Pi and can use the mini display as a console, X window port, displaying images or video, etc. Best of all, it plugs right in on top - So easy! The DPI interface is super fast, and has speed-optimizations just like HDMI, but it uses just about every pin on the Pi so it is a challenge to use this and also...

Pimoroni's HyperPixel features a 4.0" display with 800x480 18-bit color pixels and a capacitive touch overlay, making it more sensitive and responsive than a resistive touch display. The plate uses the high speed DPI interface on the Pi and can use the mini display as a console, X window port, displaying images or video, etc. Best of all, it plugs right in on top - So easy! The DPI interface is super fast, and has...

By popular request, we've upgraded our popular Trellis elastomer button kits to now have a PCB with full color NeoPixel support! You heard that right, no more single-color LEDs, you can now have any color you like under the fantastic rubbery button pads we sell. These 4x4 button pad boards are fully tile-able and communicate over I2C. With 5 address pins, you've got the ability to connect up to 32 together in any arrangement you like....

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 addition in classy Adafruit black:  2 x AA Battery Holder with Premium Header Wires . What's so special about 'em? Well you can plug them right into a breadboard! No need to fight with those skinny stripped wires you normally get. Of course, you can always still solder them...

Pimoroni's GFX HAT is a shiny new LCD Display with RGB Backlight and Touch Buttons! This is a seriously snazzy LCD that can display complex graphics for all your headless Pi games and animations. While the LCD is monochrome 128x64 pixels, the backlight can be set to different RGB colors to indicate You also get six capacitive touch buttons for input and navigation, so you can use this as a controller too. The cool capacitive touch...

If you're like me, you've dreamed of being a dolphin - smoothly gliding through the water. Using your echo-location abilities to detect tasty fish treats. Until genetic modifications catches up with our desires, we'll just have to make do with these handy HC-SR04 Ultrasonic Sonar Distance Sensors and a pair of flippers. These ubiquitous sensors are really common in robotics projects, but they can also be used for automation,...

What's that, you say? Pimoroni has another new super sweet tri-color e-paper display? Oh feast your eyes! This  Inky pHat   in Yellow/Black/White is a petite 212x104 pixel three-color display that looks fantastic and is easy to read even in bright daylight. Broadcast your tweets, the weather, or even graphing data. eInk is great for displays that don't change often, due to the...