Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires off to make...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires off to make individual jumpers, or keep them...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon cable. You can always pull the ribbon wires off to make individual jumpers, or keep...

These Male/Male Jumper Wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon cable. You can always...

These Male/Male Jumper Wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon cable. You can always pull the ribbon wires off to make...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires off to make individual jumpers, or keep them...

These premium male-male jumper wires are handy for making wire harnesses or jumpering between headers on PCBs. They're 200mm (~7.8") long and come loose as a pack of 40 (10 pieces of red, blue, yellow, and Adafruit black). They have 0.1" male header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header.  These jumper wires are a little more expensive than most...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts on the other. They fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires...

These Female/Male Extension jumper wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts on the other. They fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin...

These Female/Male 'Extension' Jumper Wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts on the other. They fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin...

These Female/Male 'extension' jumper wires for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts on the other. They fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are approximately 3" (75mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts on the other. They fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the...

Our Raw Male/Female Jumper Wires are perfect for making a custom jumper wire sets for wire harnesses or jumpering between headers on PCBs. These premium jumpers are a little over 6", almost 8" (about 200mm) long and come in a 'strip' of 40 (5 pieces of the ten rainbow colors). The 0.75" raw sockets on either end are designed to be custom fitted with your choice of housing blocks to meet your prototyping needs. You can...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" male header contacts on one end and 0.1" female header contacts on the other. They fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires...

Our Raw Male/Male Jumper Wires are perfect for making a custom jumper wire sets for wire harnesses or jumpering between headers on PCB's. These premium jumpers are a little over 6" (150mm) long and come in a 'strip' of 40 (4 pieces of each of the ten colors). The 0.1" raw sockets on either end are designed to be custom fitted with your choice of housing blocks to meet your prototyping needs. You can always pull the ribbon wires off to make...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires approximately 6" (150mm) long and come in a 'strip' of 40 (4 pieces of each of ten colors). They have 0.1" sockets on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. We recentlty updated these so they are in a 'ribbon strip' instead of individual wires. You can always pull the...

Our Raw F/F Jumper Wires are perfect for making custom jumper wire sets for wire harnesses or jumpering between headers on PCB's. These premium jumpers are a little over 6" (150mm) long and come in a 'strip' of 40 (4 pieces of each of the ten colors).  The 0.1" spacing raw sockets on either end made to be custom fitted with your choice of housing blocks to meet your prototyping needs. You can always pull the ribbon wires off to make...

These premium extension jumper wires are handy for making wire harnesses or jumpering between headers on PCBs. They're 200mm (~7.8") long and come loose as a pack of 40 (10 pieces of red, blue, yellow, and Adafruit black). They have 0.1" socket 'female' header contacts on one end and  0.1" plug 'male' header contacts on the other. These jumper wires are a little more expensive than most...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires off to make individual jumpers, or keep...

Handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 3" (75mm) long and come in a 'strip' of 40 (4 pieces of each of ten rainbow colors). They have 0.1" female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 40-pin ribbon cable. You can always pull the ribbon wires off to make individual jumpers, or keep them...

These premium female-female jumper wires are handy for making wire harnesses or jumpering between headers on PCBs. They're 200mm (~7.8") long and come loose as a pack of 40 (10 pieces of red, blue, yellow, and Adafruit black). They have 0.1" female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header.  These jumper wires are a little more expensive than...

These female-female premium jumper wires are handy for making wire harnesses or jumpering between headers on PCB's. They're 3" (75mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon cable. You can always pull the ribbon wires off to make...

For bread-boarding with unusual non-header-friendly surfaces, these cables will be your best friends! No longer will you have long strands of alligator clips that are grabbing little wires. These compact jumper cables have a premium male header on one end, and a grippy mini alligator clip on the other. Grab onto your Flora, Circuit Playground, micro:bit, Gemma, or even a banana, and plug it into a breadboard for prototyping joy! You get 12...

When working with unusual non-header-friendly surfaces, these handy cables will be your best friends! No longer will you have long, cumbersome strands of alligator clips. These compact jumper cables have a premium male header on one end and a grippy mini alligator clip on the other. Grab onto your Flora, Circuit Playground, micro:bit, Gemma, or even a banana, and plug it into a breadboard for prototyping joy and ease!  6 piece set,...

An optimized collection of parts and pieces to experiment with Raspberry Pi at home, school or work. Great for students and those that want to get their feet wet, no soldering required! THIS PACK DOES NOT INCLUDE A RASPBERRY PI 1 MODEL B and is NOT compatible with Model B+ or Raspberry Pi 2 We recommend upgrading to a Raspberry Pi 2 Model B or Raspberry Pi 1 Model B+ if you do not have a Raspberry Pi yet, but we keep this pack around for people...

You want to get hacking with your Pi fast, right? Get everything you need to start with the Adafruit Starter Pack for Raspberry Pi. It's the perfect accompaniment to your new Pi, everything you need to get a distro image loaded and running. We even pre-assemble the Cobbler for you, no soldering required. THIS PACK DOES NOT INCLUDE A RASPBERRY PI 1 MODEL B . To purchase a Starter Pack with an included Raspberry Pi Model B Revision 1.0, code...

You want to get hacking with your Pi fast, right? Get everything you need to start with the Adafruit Starter Pack for Raspberry Pi. It's the perfect accompaniment to your new Pi, everything you need to boot up your Pi Model B and get going. We pre-assemble the Cobbler for you, no soldering required . This pack includes a single Raspberry Pi Model B 512MB RAM! Please note this is a pack for the older Model B Pi not the Raspberry Pi 2! We...

These jumper wires come with a twist! Instead of going from 0.1"/2.54mm pitch headers to breadboard or something like that, these are 2.54mm to 2.0mm ! Handy for making wire harnesses or jumpering to annoying 2mm-pitch connectors, these premium female-female jumper wires are around 8" (200mm) long and come in a 'strip' of 40. Each pair of wires has 2 pieces of 2.54mm (.1") socket on one end and a single 2x2.00mm (.08") socket on the other on the...

Gotta say - this new Pi 3 is fly.  All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories. We've hand chosen these accessories as the perfect accompaniment to your new Raspberry Pi 3 - Model B.  It's everything you need to get going with a high quality power supply, Raspbian 8G NOOBs SD card (newly updated to work on the Pi 3), lovely case, handy...

In collaboration with Microsoft, Adafruit's releasing IoT Starter Kits with boards, sensors, and components that are 'Azure Certified for IoT.' Azure is Microsoft's cloud solution for IoT projects that's a comprehensive and flexible program from the Microsoft team that they're extending into the open source hardware world.  This starter kit includes a pre-soldered Adafruit Feather HUZZAH...

You've heard about CircuitPython and maybe you want to get started fast with a breadboard-friendly microcontroller board! We recommend the ItsyBitsy M4 - a super fast chip with tons of GPIO, analog inputs & outputs, with so much RAM that you'll never have to worry about running out of memory. And what better way to get acquainted with ItsyBitsy M4 than with this handy  CircuitPython Starter Kit ?  Small, powerful, with a...

Gotta say - this new Pi 3 is fly.  All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories. We've hand chosen these accessories as the perfect accompaniment to your new Raspberry Pi 3 - Model B.  It's everything you need to get going with a high quality power supply, Raspbian 8G NOOBs SD card (newly updated to work on the Pi 3), lovely case, handy...

Gotta say - this Pi 4 is fly - so fast, lots of memory options, built in WiFi and Bluetooth and two HDMI ports???  All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories that will get you started, especially if you want to connect breadboardable hardware like LEDs, sensors, and buttons. We've hand-selected this pack as a budget-friendly swag bag with what you...

Gotta say - this Pi 4 is fly.  All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories. We've hand-selected these accessories as the perfect accompaniment to your new Raspberry Pi 4 - Model B.  It's everything you need to get going with a high-quality power supply, Raspbian 16G NOOBs SD card, lovely case, and prototyping essentials.  It's...

The Arm-based Internet of Things Pack for Raspberry Pi 3 is another great addition to our family of IoT packs. If you want to start using your Raspberry Pi as an IoT-enabled device, then this kit is for you. You might not know it, but Arm-based chips are everywhere . From mobile devices to supercomputer, from medical instruments to agricultural sensors, and from base stations to servers; Arm technologies each 80% of the global...

In collaboration with Google and Mongoose OS, Adafruit's releasing an IoT Core Pack based around our Feather HUZZAH32! This kit includes a pre-soldered  Adafruit Feather HUZZAH with ESP32 WiFi and some sensors and components to get you started on your IoT journey. Feather is a development board from Adafruit that, like its namesake, is thin, light and lets you fly.  We designed Feather to be a new standard for portable...

The Microsoft Internet of Things Pack for Raspberry Pi 3  is the best way to get started using Windows 10 and your Raspberry Pi as an IoT enabled device. A collaboration between Microsoft's IoT division and Adafruit, this pack's the best way to get started using both Windows 10 on your Pi and to start doing some popular projects with the internet of things. Check...

The Microsoft Internet of Things Pack for Raspberry Pi 3 is the best way to get started using Windows 10 and your Raspberry Pi as an IoT enabled device. A collaboration between Microsoft's IoT division and Adafruit, this pack's the best way to get started using both Windows 10 on your Pi and to start doing some popular projects with the internet of things. Check out windowsondevices.com for more information on how to set up...

The Arm-based Internet of Things Pack for Raspberry Pi 3 is another great addition to our family of IoT packs. If you want to start using your Raspberry Pi as an IoT-enabled device, then this kit is for you. You might not know it, but Arm-based chips are everywhere . From mobile devices to supercomputer, from medical instruments to agricultural sensors, and from base stations to servers; Arm technologies each 80% of the global...

In collaboration with Microsoft and Hackster.io, Adafruit's releasing a Virtual IoT pack with boards, sensors, and quite a number of components! This kit is specifically curated for IoT Virtual Bootcamp hosted by Microsoft and Hackster.io in partnership with Adafruit. This kit includes a pre-soldered  Adafruit Feather HUZZAH with ESP8266 WiFi and some sensors and components to get you started on your IoT journey.  ...

In collaboration with Microsoft and Hackster.io, Adafruit's releasing a Virtual IoT pack with boards, sensors, and quite a number of components! This kit is specifically curated for IoT Virtual Bootcamp hosted by Microsoft and Hackster.io in partnership with Adafruit. This kit includes a pre-soldered  Adafruit Feather HUZZAH with ESP8266 WiFi and some sensors and components to get you started on your IoT journey.  ...

In collaboration with Microsoft and Hackster.io, Adafruit's releasing a Virtual IoT pack with boards, sensors, and quite a number of components! This kit is specifically curated for IoT Virtual Bootcamp hosted by Microsoft and Hackster.io in partnership with Adafruit. This kit includes a pre-soldered  Adafruit Feather HUZZAH with ESP8266 WiFi and some sensors and components to get you started on your IoT journey.  ...

The Arm-based Internet of Things Pack for Raspberry Pi 3 is another great addition to our family of IoT packs. If you want to start using your Raspberry Pi as an IoT-enabled device, then this kit is for you. You might not know it, but Arm-based chips are everywhere . From mobile devices to supercomputer, from medical instruments to agricultural sensors, and from base stations to servers; Arm technologies each 80% of the global...

Gotta say - this new Pi 3 is fly.  All the cool kids are going to have it - but all the coolest kids are also going to have a big pack of super cool accessories. We've hand chosen these accessories as the perfect accompaniment to your new Raspberry Pi 3 - Model B.  It's everything you need to get going with a high quality power supply, Raspbian 8G NOOBs SD card (newly updated to work on the Pi 3), lovely case, handy...

Particle has partnered with Adafruit to put together this kit that makes IoT easy as Pi! Connect your Raspberry Pi 3 to the Particle Cloud with this Particle Pi Starter Kit. The Raspberry Pi is already the world's most popular low-cost computer, and a powerful development tool for building connected projects.  This starter pack contains the essentials of our Raspberry Pi 3 Starter Pack with added sensors that will open up your Pi to a...

This collaboration with BubbleSort Zines! is a kit that will help you connect a toy bird (or any animal you want, really) to your Twitter app using an Arduino, so you'll hear a LITERAL tweet IRL whenever you get mentions! It's the Literal Twitter Bot Kit -- a great way to learn about embedded programming and hardware hacking. Bring your tweets to life using your favorite stuffed toy, Beanie Baby, Circuit...

Welcome to the Internet of Things with Google! Whether you are a device creator prototyping a new design for production, or a hobbyist looking for an introduction to the new Android Things API, you've come to the right place. It's time to get your Android enabled hardware working with Google services. Android Things is an Android-based OS that supports new embedded single board computer like the Raspberry Pi 3 and introduces a new set of...

This is a custom made pack for Louisiana Tech University.  It contains all the gear needed for Living with Cyber Curriculum. At its core, Living with Cyber is about cultivating problem solving and critical thinking skills. Students look at problems (typically in the cyberspace domain), design algorithms and propose them as solutions, and analyze them. The solutions are then implemented using the unique hardware platform. Ultimately,...

In collaboration with Microsoft, Adafruit's releasing IoT Starter Kits with boards, sensors, and components that are 'Azure Certified for IoT.' Azure is Microsoft's cloud solution for IoT projects.  Azure is a comprehensive and flexible program from the Microsoft team that they're extending into the open source hardware world.  This starter kit includes a pre-soldered Adafruit Feather M0 WiFi with stacking...

Pickup a copy of Make: Bluetooth LE Projects for Arduino, RasPi, and Smartphones and then hit the ground running with these great bluetooth accessories. This pack DOES NOT include the book! (But you can pick it up in the Adafruit shop) This pack is perfect for somebody who is up for a little challenge and eager to dive further into the wonderful world of Bluetooth LE, and by picking up all of the parts in a pack you save 20%! This pack...

The Microsoft Internet of Things Pack for Raspberry Pi 3 is the best way to get started using Windows 10 and your Raspberry Pi as an IoT enabled device. A collaboration between Microsoft's IoT division and Adafruit, this pack's the best way to get started using both Windows 10 on your Pi and to start doing some popular projects with the internet of things. Check out windowsondevices.com for more information on how to...

Why not trick out your fresh new board with some accessories? The Pi 2 is a big deal - a big, big deal.  It has an upgraded ARMv7 multicore procssor and a full Gigabyte of RAM - meaning you're going to see ~2x the performance on processor-upgrade only and 4x on average for mutliple-core procssors.  That's up to like 7.5x increase in speed without taking into account the 1 Gig of RAM. Should you be excited? Yes....

You're going to work hard with your Raspberry Pi 2 Model B or Raspberry Pi 1 Model B+.  You're going to have to solder, code, and Linux your Maker heart out.  That's why we've tried to make it as easy as possible to start - by combining the Raspberry Pi with what we think are the best beginners' Pi accessories into one easy to use kit. We've hand chosen these accessories as the perfect accompaniment to your...

You're going to work hard with your Raspberry Pi B+.  You're going to have to solder, code, and Linux your Maker heart out.  That's why we've tried to make it as easy as possible to start - by combining the Raspberry Pi B+ with what we think are the best beginners' Pi B+ accessories into one easy to use kit. We've hand chosen these accessories as the perfect accompaniment to your new Raspberry Pi Model B+....

This is a companion kit for the wildly popular Adventures in Raspberry Pi book by Carrie Ann Philbin.  The book's a great beginner guide to the Raspberry Pi, and this kit includes the electronic components to do the interactive projects in the second half of the book. No soldering is required! It's plug and play and easy to try out the electronics adventures even if you've never done electronics in your life This kit...

The MyMiniRaceCar Project Pack is a Feather Bluetooth LE mini robot rover – a perfect project for folks who are just getting started in the world of DIY electronics. It's an excellent introduction to our wide world of robotics. Check out John Park's learn guide here! This project contains just about everything you need to make your very own Bluetooth controlled mini-robot, with the added bonus of a temperature...

This is a custom made pack for the University of Virginia.  It contains all the gear needed for Web and Mobile Systems class - CS4720. Since it's a pretty cool pack, and seems like a great course, we've decided to also sell it in our store.  Here's a description of the course to get an idea of what they're working on and check out the class website for more information.  Our course mixes web...

These female-female jumper wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 6" (150mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon cable. You can always pull the ribbon...

These Female/Female Jumper Wires are handy for making wire harnesses or jumpering between headers on PCB's. These premium jumper wires are 12" (300mm) long and come in a 'strip' of 20 (2 pieces of each of ten rainbow colors). They have 0.1" female header contacts on either end and fit cleanly next to each other on standard-pitch 0.1" (2.54mm) header. The best part is they come in a 20-pin ribbon cable. You can always pull the ribbon wires off to...

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:  2x2 AA Battery Holder with Premium Header Wires . What's so special about 'em? Well besides being a nice compact cubic shape, you can plug the wires right into a breadboard! No need to fight with those skinny stripped wires you normally get. Of course, you can...

If you'd like to connect a USB-capable chip to your USB host, this cable will make the task very simple. There is no converter chip in this cable! Its basically a plain USB cable that's cut in half and with jumper sockets on the power and data lines. Simple to use, does the job when you have something that exposes the D+/D- pins. Red wire connects to 5V power (from USB host)Black wire connects to common data/power ground Green connects...

If you'd like to connect a USB-host-capable chip to your USB peripheral, this cable will make the task very simple.  There is no converter chip in this cable!  It's basically a plain USB cable that's cut in half and with jumper sockets on the power and data lines. Simple to use, does the job when you have something that exposes the D+/D- pins. Red wire connects to  5V  power (to the USB device)Black wire connects...

We live on a planet with an atmosphere, a big ocean of gaseous air that keeps everything alive - and that atmosphere is constantly bouncing off of us, exerting air pressure on everything around us. But, how much air is in the atmosphere, bearing down on us? This absolute pressure sensor,  ST LPS22HB (a.k.a LPS22 ) can quickly and easily measure this air pressure, useful when you want to know about the weather (are we in a low-pressure or...

This board makes connecting wires to the Raspberry Pi GPIO incredibly easy.  It's a reference board that makes it really easy to see if you're connecting your wires correctly.  We liked the Pi GPIO Reference Board from Low Voltage Labs so much that we worked with them to license their design! We made some changes to the Low Voltage version - including grouping the pins into categories like I2C, IO, UART, SPI, and power....

From the creative engineers at KittenBot, this plug-in add on for the micro:bit expands your 'bit to add a bunch more hardware to play with. It's a great expansion shield that breaks out all the IO pins (inputs, outputs), and also adds some extras to make your next bit project shine. Features : All pins are brought out to 0.1" headers that are color coded black for ground, red for power, and yellow for signal. You can breadboard...

This board makes connecting wires to the Raspberry Pi GPIO incredibly easy.  It's a reference board that makes it really easy to see if you're connecting your wires correctly.  We liked the Pi GPIO Reference Board from Low Voltage Labs so much that we worked with them to license their design! We made some changes to the Low Voltage version - including grouping the pins into categories like I2C, IO, UART, SPI, and power....