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DescriptionThese headers are made to work with the Teensy 4.1， Teensy 3.6， and Teensy 3.5 development boards. Each set of headers allows for your Teensy to be easily incorporated into a breadboard circuit or attach a shield on top of the board. This kit includes three headers(two 24-pin， and one 5-pin)， enough to connect your chosen Teensy in any configuration you need!

DescriptionWith the SparkFun Qwiic Connect System expanding every day， we want to make sure it becomes as accessible as possible but we understand there are other systems that can compliment it out there. The Qwiic to Grove Adapter Cable allows interoperability between the SparkFun Qwiic Connect System and the I2C based Grove boards from Seeed Studio. Now you can plug Seeed Studio boards you may have onto the Qwiic bus or you can use this cable to introduce Qwiic sensors， inputs， and outputs into your Grove system.Note：The Grove system has a variety of different signal systems that use the same connector. This cableonlyworks with the I2C variety.The SparkFun Qwiic connect system is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.FeaturesLength：100mm

DescriptionIf you do anything with electronics， you're probably already using transistors， but you're probably using them in large， prepackaged clusters of just one type. The SparkFun Discrete Semiconductor Kit addresses your needs of only needing one

DescriptionThe Raspberry Pi 400 is a complete Raspberry Pi 4-based personal computer， integrated into a keyboard. By incorporating the board into a keyboard， it removes the need for a case and other accessories normally needed to run a Raspberry and

DescriptionThe Raspberry Pi 400 is a complete Raspberry Pi 4-based personal computer， integrated into a keyboard. By incorporating the board into a keyboard， it removes the need for a case and other accessories normally needed to run a Raspberry and

DescriptionThis is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfaces.This is not a true piezoelectric speaker but behaves similarly. Instead of a piezoelectric crystal that vibrates with an electric current， this tiny speaker uses an electromagnet to drive a thin metal sheet. That means you need to use some form of alternating current to get sound. The good news is that this speaker is tuned to respond best with a square wave(e.g. from a microcontroller).

DescriptionSweepy 2.0 is our new Dust Boot made from clear polycarbonate.Version 2.0 features a number of enhancements， that stem from customer feedback. These include：Sweepy 65 V2 - now can now travel up and down the spindle body allowing greater flexibility when millingNow fits a 2.5" Shopvac as standardIncludes adapters for：2.5" direct hose2.25" shop vac36mm Festool/FeinIncludes our affectionally-named "Winston" a clear brush free base for 3d carving and video makingThis 69mm size is for the Dewalt spindles.Sweepy mounts directly to your spindle and is clamped with a machined quick-release. The compact design means that no travel is lost， and it works with any Shapeoko Z-axis with no adapters. The lower half is detachable and held in place using neodymium magnets， which means that the top half remains in place while the lower half detaches for easy access when changing bits.(For the legal sticklers out there， the Shapeoko and Compact Router shown in the photos are not included with Sweepy.)

DescriptionThe LilyMini ProtoSnap is a great way to get started learning about creating interactive e-textile circuits before you start sewing. Like other LilyPad ProtoSnap boards， the LilyMini ProtoSnap has all of its pieces wired together out of the box， enabling you to test the circuit's function before you sew. At the center of the board is a pre-programmed LilyMini microcontroller connected to a LilyPad Light Sensor， LilyPad Button and two pairs of LilyPad LEDs.The LilyMini ProtoSnap ships with pre-loaded code that uses all the LilyPad pieces connected to it. This sample code has three modes， which can be selected by pressing the LilyPad Button on the bottom-left side of the ProtoSnap. The built-in RGB LED on the LilyMini will change color to indicate which mode has been selected：White：All LEDs on.Magenta：LEDs fade in and out in a breathing pattern. When the light sensor is covered， LEDs fade faster.Cyan：LEDs off. When the light sensor is covered， LEDs will twinkle.The LilyMini board， at the center of the ProtoSnap， has a built-in battery holder for a CR2032 battery(included). On the opposite side of the LilyMini you will find the SAMD11 brain， which controls the ProtoSnap.Note：A portion of this sale is given back to Dr. Leah Buechley for continued development and education in e-textiles.Note：The LilyPad LilyMini ProtoSnap does NOT include sewing needles or conductive thread. These items will need to purchased separately.Warning：You cannot reprogram this product and any attempt at programming is at your own risk!Get Started with the LilyMini ProtoSnap Guide

DescriptionTRRS connectors are the audio-style connectors that you see on some phones， MP3 players and development boards. TRRS stands for "Tip， Ring， Ring， Sleeve，" which reflects the fact that， unlike a standard stereo connector， this actually has three conductors and a ground. Some devices use the extra conductor for a microphone(like hands-free headsets)or to carry a video signal(like in some MP3/MP4 players). If you're hacking on something that has a 4-conductor audio jack， being able to plug straight in will keep your build clean and simple.Note：This plug allows you to add a custom length of wire to your connector or repair a broken shroud on an existing cable you just cannot live without. Unfortunately， the supplier has not provided a datasheet or dimensional drawing please see the similar documents provided by other SparkFun products on the "documents" tab.

DescriptionThe SparkFun micro：climate kit is a full weather station kit that is built on top of the weather：bit carrier board. Unlike previous weather kits we've carried， this micro：climate kit is Qwiic enabled and includes our tried-and-true Weather Meters and Soil Moisture Sensor， so whether you're an agriculturalist， a professional meteorologist or a hobbyist， you will be able to build a high-grade weather station powered by the micro：bit. You can even talk via wireless communication between two micro：bits with this kit to be able to monitor the weather without being exposed to it!Inside each micro：climate kit you will find all the components required to build your micro：bit into a go-to weather sensor； the only parts not included are two AAA batteries， microSD card， and the micro：bit itself. Simply add your own micro：bit to the provided weather：bit， assemble the kit， and you will be ready to start sensing. The SparkFun micro：climate kit is a great way to get your feet wet in high-grade sensors --- just not literally； that's the weather：bit's job!The kit does not require any soldering and is recommended for anyone curious about weather-sensing technology or the micro：bit platform.The micro：bit is a pocket-sized computer that lets you get creative with digital technology. Between the micro：bit and our shield-like bit boards you can do almost anything while coding， customizing and controlling your micro：bit from almost anywhere! You can use your micro：bit for all sorts of unique creations， from robots to musical instruments and more. At half the size of a credit card， this versatile board has vast potential!Note：The SparkFun micro：climate kit doesNOTinclude a micro：bit board. The micro：bit board will need to be purchased separately. You will also need a microSD card when logging data and AAA batteries to power remotely.Get started with the micro：climate kit Guide

DescriptionThe XBee3 Thing Plus is an ultra capable and easy way for getting into wireless device development. The combination of XBee and Qwiic in a space conscious design represents a much needed update to our XBee offering. With 20 I/O pins and Lithium Polymer Ion battery management， the XBee3 Thing Plus has all the basics for quickly prototyping or developing a connected device such as a remote sensor. The Qwiic connector and JST connector for the battery make for a solder-less option when working with the board which shortens setup time.The new XBee3 Micro Module provides the classic all-but plug and play 802.15.4 2.4GHz wireless connection(Zigbee 3.0 Protocol)that makes it so desirable， but with a new addition of being programmable with MicroPython(32KB of memory available for it). RF data rates up to 250 Kbps and 200ft indoor ranges and up to 4000ft line-of-sight outdoor range. Communicating with/Configuring the module happens via an AT Command set or the Digi API， X-CTU， both locally or over-the-air. There's even a mobile version of X-CTU now； Digi XBee(R)Mobile.This variation features a U.FL antenna connector for longer range communications. Check out the related products for compatible antennas.Get Started With the SparkFun XBee3 Thing Plus GuideFeaturesXBee3 Micro ModuleSilicon Labs EFR32MG SoC250Kbps RF， 1Mbps Serial data ratesIndoor/Urban range up to 200 ft(60 m)Outdoor/RF Line of Sight range up to 4000 ft(1200 m)+8 dBm transmit power-103 dBm receiver sensitivityUART， I2C， SPI Interfaces(SPI currently not available at this time， but broken out on the board)ISM 2.4GHz Frequency Band(802.15.4)1MB of memory， 128KB RAM(32KB available for MicroPython)20 GPIO PinsConfigurable via X-CTU or AT Command set via both USB and Wirelessly(second XBee 3 device required for wireless configuration unless you're using the mobile app)Qwiic CompatibleOn-board charging circuit and connector for 3.3v Lithium Polymer Ion Batteries(see related products for compatible batteries)2.6VDC - 3.6VDC supply voltageU.FL Antenna Connector

DescriptionThe XBee3 Thing Plus is an ultra-capable and easy way for getting into wireless device development. The combination of XBee and Qwiic in a space-conscious design represents a much-needed update to our XBee offering. With 20 I/O pins and Lithium-Polymer Ion battery management， the XBee3 Thing Plus has all the basics for quickly prototyping or developing a connected device such as a remote sensor. The Qwiic connector and JST connector for the battery make for a solder-less option when working with the board which shortens setup time.The new XBee3 Micro Module provides the classic， near plug and play 802.15.4 2.4GHz wireless connection(Zigbee 3.0 Protocol)that makes it so desirable， but with a new addition of being programmable with MicroPython(32KB of memory available for it). RF data rates up to 250Kbps and 200 ft indoor ranges and up to 4000 ft line-of-sight outdoor range. Communicating with/Configuring the module happens via an AT Command set or the Digi API， X-CTU， both locally or over-the-air. There's even a mobile version of X-CTU now； Digi XBee(R)Mobile.Note：This variation uses a chip antenna and is not compatible with external antennas.Get Started With the SparkFun XBee3 Thing Plus GuideFeaturesXBee3 Micro ModuleSilicon Labs EFR32MG SoC250Kbps RF， 1Mbps Serial data ratesIndoor/Urban range up to 200 ft(60 m)Outdoor/RF Line of Sight range up to 4000 ft(1200 m)+8 dBm transmit power-103 dBm receiver sensitivityUART， I2C， SPI Interfaces(SPI currently not available at this time， but broken out on the board)ISM 2.4GHz Frequency Band(802.15.4)1MB of memory， 128KB RAM(32KB available for MicroPython)20 GPIO PinsConfigurable via X-CTU or AT Command set via both USB and Wirelessly(second XBee 3 device required for wireless configuration unless you're using the mobile app)Qwiic CompatibleOn-board charging circuit and connector for 3.3v Lithium Polymer Ion Batteries(see related products for compatible batteries)2.6VDC - 3.6VDC supply voltageOn-board Chip Antenna

DescriptionThe SparkFun Line Follower Array is a long board consisting of eight IR sensors that have been configured to read as digital bits! We have designed the SparkFun Line Follower Arrays to follow a dark line of about 3/4 inch width or smaller(spray paint or electrical tape)on a light background. Each array features visible LEDs that point upward when the board is attached(properly)so you can see what the robot sees， brightness control right on the board， and an I2C interface for reading and power control. Here at SparkFun， the RedBot Shadow Chassis was used as a test platform but really this was designed as an add-on for almost any bot.The line follower functions by taking an 8-bit reading of reflectance for use with following lines or reading dark/light patterns and can see from about 1/4 to 3/4 inches away. The IR brightness control and indicator can be adjusted with the on-board potentiometer and is capable of showing you the strength of the IR LEDs. Illumination can be turned on and off with software to conserve power， or left on all the time for faster readings. The SparkFun Line Follower Array requires 5V of power with a supply current range of 25-185mA with strobing disabled and 16-160mA with it enabled. Additionally we have added six mounting holes to the line follower with the two inner holes designed to fit our Shadow Chassis while the other four are general purpose.Note：As you know our Sun emits quite a bit of infrared light， making the SparkFun Line Follower Array much less effective in direct sunlight. Plan your projects accordingly!Features8 sensor eyes(QRE1113， like in our line sensor breakout)I2C interfaceAdjust IR brightness on the fly with a knobSwitch IR on and off with softwareSwitch visual indicators on and off with softwareInvert dark/light sight with softwareBased on the SX1509 I/O expander

DescriptionProduct Restrictions：To access certain features of the ATECC608A， users will need to contact Microchip and sign an NDA contract to obtain the complete datasheet. Due to the required NDA - technical support， an Arduino library， and hookup guide are not provided for users on this product.The SparkFun ATECC608A Cryptographic Co-processor Breakout allows you to add strong security to your IoT node， edge device， or embedded system. This includesasymmetricauthentication，symmetricAES-128 encryption/decryption， and much more. As stated above， the ATECC608A has limited Arduino support and the complete datasheet is under NDA with Microchip.This breakout board includes two Qwiic ports for plug and play functionality. Utilizing our handy Qwiic system， no soldering is required to connect it to the rest of your system. However， we still have broken out 0.1"-spaced pins in case you prefer to use a breadboard. The ATECC608A chip is capable of many cryptographic processes， including， but not limited to：Creating and securely storing unique asymmetric key pairs based on Elliptic Curve Cryptography(FIPS186-3).AES-128：Encrypt/Decrypt， Galois Field Multiply for GCMCreating and verifying 64-byte digital signatures(from 32-bytes of message data).Creating a shared secret key on a public channel via Elliptic Curve Diffie-Hellman Algorithm.SHA-256 HMAC Hash including off-chip context save/restoreInternal high quality FIPS random number generator.Embedded in the chip is a 10Kb EEPROM array that can be used for storing keys， certificates， data， consumption logging， and security configurations. Access to the sections of memory can then be restricted and the configuration locked to prevent changes. Each ATECC608A Breakout ships with a guaranteed unique 72-bit serial number and includes several security features to prevent physical attacks on the device itself， or logical attacks on the data transmitted between the device.A summary datasheet for the ATECC608A is available here. The full datasheet is under NDA with Microchip. You will need to contact them for access to the entire datasheet. Meanwhile， the ArduinoATECCX08 Library currently only supports the ATECC608A with SAMD21 Arduino boards.We do have much more support for the ATECC508A version of this chip. Please check out our ATECC508A Hookup Guide and Arduino Library(which includes six examples). This will get you familiar with the basics of elliptic curve cryptography and signing/verifying data with the ATECC508A version of the chip.Note：The I2C address of the ATECC608A is 0x60 and is software-configurable to any address. A multiplexer/Mux is required to communicate to multiple ATECC608A sensors at the default address when on a single bus. If you need to use more than one ATECC608A sensor at the default address， consider using the Qwiic Mux Breakout.Note：The ATECC608A can be only configured once before it isPERMANENTLYlocked. It is advisable that users purchase multiple boards in order to use other configurations and explore the advanced functions of the ATECC608A.Additionally， this boardIScapable of encrypting and decrypting data. However， to access these additional features， you will need to contact Microchip and sign an NDA contract to obtain the complete datasheet.It is recommended that an SparkFun RedBoard Turbo - SAMD21 Development Board is used with this product due to the buffer size required on the I2C bus.The SparkFun Qwiic Connect System is an ecosystem of I2C sensors， actuators， shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch， 4-pin JST connector. This reduces the amount of required PCB space， and polarized connections mean you can't hook it up wrong.FeaturesOperating Voltage：2.0V-5.5V(Default on Qwiic System：3.3V)Active Current Draw(for ATECC608A)：16 mASleep Current(for ATECC608A)：<150 nAGuaranteed Unique 72-bit Serial Number10 Kb EEPROM Memory for Keys， Certificates， and DataStorage for up to 16 Keys256-bit Key LengthInternal High-Quality FIPS Random Number Generator(RNG)Configurable I2C Address(7-bit)：0x60(Default)