General


Resistor Kit - 1/4W (500 total)
Resistors are a good thing, in fact, they’re actually crucial in a lot of circuit designs. The only problem seems to be that resistors disappear into thin air. The only way to be sure that you’re gonna have the resistor you need when you need it is to stock up, and keep them organized. We have just the thing! Our new branded resistor kit comes with 25 each of 20 different resistor values (including 0? links!). All of these resistors are stapled into a tri-fold pack and clearly labeled. The back of the resistor kit even has a resistor color code look-up chart and a table of color codes for th..
R197.00
SparkFun Beginner Parts Kit
The SparkFun Beginner Parts Kit is a small container of parts frequently used by beginning (or even experienced) hobbyists that gives you all of the basic through-hole components you will need to get started playing with embedded projects. These are the “bubble gum” parts that we regularly use or have often seen requested in classes. Inside this kit you will find a good starter assortment of caps, ICs, regulators, diodes and good-for-blinky LEDs. This kit also features our Adjustable Parts Box for better organization. This assortment of parts makes a great gift for beginner and advanced elect..
R328.50
Infrared Remote Control
Have you ever needed a cheap way to activate something from across the room? Infrared remotes are still the cheapest way to wirelessly control a device. We have designed the remote to be small, very simple, and low-cost. For the majority of the projects we build, we don’t need 34 buttons, we need one or two. It makes more sense to provide you with a cheap and easy to use remote. Our infrared remote control offers buttons for four directions, power, select, and three optional use buttons (labled “A,” “B,” and “C”). Unfortunately we can’t guarantee that it will work with your Stuart Hughes' Pr..
R98.50
Analog Panel Meter - 0 to 5 VDC
This analog panel meter measures DC voltage from 0-5 volts with 2.5% accuracy. It has a clear and easy to read scale and an adjustable dial. These come in handy for measuring the output of sensors with 5V ranges. The face of the meter is 45x45mm overall. The mounting hole should be 38mm. The overall depth of the meter is 35mm. Documents: Product Sheet ..
R115.00
Black Knob - 15x19mm
Knobs are a great way to finish off your project and make it easier to adjust the level of your death ray. This knob mates to a 0.25" shaft with a set screw. Dimensions: 15mm high 19mm diameter ..
R19.50
Circuit Scribe Conductive Ink Pen
This is the Circuit Scribe Conductive Ink Pen, a simple looking ball-point pen that allows you to draw circuits instead of soldering or wiring them to a breadboard. This is the same pen found in the Circuit Scribe Lite Kit just without the LED module and batteries, we understand that you may just need to draw out a quick circuit with your own parts or need a replacement pen. With Circuit Scribe you can draw exactly what you want, no wires or breadboard required. You can build a circuit with nothing but a coin battery, paper clip, and LED, or build out complex circuits with multiple components..
R591.50
Circuit Scribe Maker Kit
This is the Circuit Scribe Maker Kit, a massive conductive ink pack with a full range of modules and other items that you can use to create cool circuits. Similar to the Lite Kit, this Circuit Scribe Maker Kit is easy to set-up, choose the modules you want to connect, draw your circuit lines with the included Conductive Ink pen and you’re good to go! With this kit you will be able to work with more advanced output components and sensors. Add sound to your circuits using the Buzzer Module, fade between colors by combining the RGB LED and Potentiometer Modules, or control your outputs with light..
R2,626.50
Flexinol - 0.005" Diameter (1 foot)
This 0.005" Flexinol® Actuator Wires (aka shape memory Nitinol) is a one foot long piece of nickel-titanium alloy that can flex and contract when a specific amount of heat or current is applied to it and are made specifically for linear actuators to replace small motors or solenoids. If you are asking yourself “What sorcery is this?!” We assure you, this isn’t magic, it’s just simple science thanks to shape memory and a change between the wires weaker, low temperature form (martensitic) and its stronger, high temperature form (austenite). When the Flexinol® is in its martensitic form, it can..
R41.00
Fuse 5mm 125VAC 5A
This is a glass ferrule type fuse. It fits great with our 5mm fuse clips. The fuse is rated for 125VAC, up to 5A. Fuses are pretty simple, if more than 5A pass through the fuse, the small filament inside the fuse heats up and breaks (like a light bulb burning out). The circuit is then broken and hopefully your circuit is saved from molten destruction. For smaller loads, you may want to checkout a PTC (aka resettable fuse) listed below. These handle less current (500mA) but can be set and reset many times without doing harm to your system. Features: 5A max @ 125VAC Glass Cartridge Dimen..
R8.00
Fuse 5mm 250V 500mA
This is a glass ferrule type fuse. It fits great with our 5mm fuse clips. The fuse is rated for 250VAC, up to 500mA. Fuses are pretty simple, if more than 500mA pass through the fuse, the small filament inside the fuse heats up and breaks (like a light bulb burning out). The circuit is then broken and hopefully your circuit is saved from molten destruction. For smaller loads, you may want to checkout a PTC (aka resettable fuse) listed below. These handle less current (500mA) but can be set and reset many times without doing harm to your system. Features: 500mA max @ 250VAC Glass Cartridge..
R16.50
Fuse Clip 5mm
This is a 5mm PTH fuse clip intended to be used with our Glass Fuses. Note: These are sold in single units. If you intend to secure a fuse using these clips you’ll need two clips. We recommend ordering two. Part #: 1A3399-10 Documents: Datasheet ..
R5.00
Hamburger Mini Speaker
This will be a treat for your ears! The Hamburger Mini Speaker is a 3W economical speaker option for any project needing stand-alone sound. The Hamburger features a built-in lithium polymer battery for portable application, a 3.5mm stereo jack (sorry, iPhone 7 users) and two volume options (quiet and loud) to control how loud your sound needs to be. This speaker really can’t be compared to a good pair of JBLs, but for the price point the Hamburger won’t break the bank for your next audiophile project! Why call it the Hamburger? When you twist the top and bottom halves of the speaker in opposi..
R98.50
Heating Pad - 5x10cm
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up. These heating pads are constructed using a mesh of Polyester filament and Micro Metal Conductive Fiber folded into a protective Polyimide Film. The fact that these are low power, flexible and draw little power makes them ideal for things like hand-warmers and other heated garments. Maybe hook up a microcontroller and some sensors and make your own climate-controlled hoodie? Features: ..
R98.50
IC Test Clip - SOIC 8-Pin
This is an IC Test Clip for 8-pin small outline integrated circuits (SOIC). This test clip assures a secure connection to all chip leads on an 8-pin SMD SOIC and provides hands-free testing. On this test clip you will find two sets of gold plated contacts, upper contacts to attach wiring and lower contacts for an 8-pin IC. Simply place your choice of IC in the lower contacts and attach female terminated jumper wires to the 0.1" spaced upper contacts and you are ready to start testing! Documents: Datasheet Re-Programming the LilyTiny / LilyTwinkle ..
R476.50
Intel® Edison Hardware Pack
This is a Hardware Pack for the Intel® Edison, with this set you will be provided with increased mechanical strength for stacking Blocks. Each Hardware Pack includes ten M2x3mm standoffs, six M2x3mm screws, and six M2 nuts. With this set of hardware you will be able to secure three Blocks to one Intel® Edison. Eight standoffs and four screws and nuts are used for the Blocks, while two standoffs, screws, and nuts are used for the Intel® Edison itself. If you are looking to give your Intel® Edison stack a little more stability, this Hardware Pack is perfect for you! Includes: 10x Standoff - ..
R82.00
Large Piezo Alarm - 16 Tone
This Piezo Alarm is a great option for when you need an audible alarm (or are just looking for a way to prank your friends). This alarm has 16 different output options that can be changed with the DIP switches on the unit. Select Continuous, Chime, Intermittent, Warble, or Pulsating and amaze your friends. Features: Operating Voltage: 5-16Vdc Operating Frequency: 3KHz Warble Frequency: 2.8KHz to 3.2KHz Diameter: 35.8mm, Height 35.7mm 103 dB(A) at 16V at 61cm 90 dB(A) at 5V at 61cm Documents: Datasheet ..
R213.50
Large Piezo Alarm - 3KHz
This 3KHz Piezo Alarm is a great option for when you need a loud audible alarm (or are just looking for a way to prank your friends). This alarm produces a 3KHz at up to 100dB(A) and has an input range of 3V to 18V. Features: 3V to 18V input 3KHz output 25.1mm diameter, 22.2mm height 100 dB(A) at 18V at 61cm 78 db(A) at 3V at 61cm Documents: Datasheet ..
R82.00
LED Holder - 10mm
These plastic LED holders have a black finish and only need the LED and the holder to be snapped into place easily and effectively, no screwing anything into place. These LED holders accept a 10mm LED and mount into an 35/64" diameter hole...
R8.00
LED Holder - 10mm (Chrome Finish)
These plastic LED holders have a slick chrome finish and make it possible to panel-mount your indicator lights for a clean look. These LED holders accept a 10mm LED and mount into an ½" diameter hole...
R8.00
LED Holder - 5mm
These plastic LED holders have a black finish and only need the LED and the holder to be snapped into place easily and effectively, no screwing anything into place. These LED holders accept a 5mm LED and mount into an 19/64" diameter hole...
R8.00
LED Holder - 5mm (Chrome Finish)
These plastic LED holders have a slick chrome finish and make it possible to panel-mount your indicator lights for a clean look. These LED holders accept a 5mm LED and mount into an 11/32" diameter hole...
R8.00
LinkM - USB to I2C
LinkM is a USB adapter that addresses two of the most frequently-requested BlinkM features. It enables you to program BlinkMs without setting up a separate I/O board, such as an Arduino. It also lets you program or control multiple BlinkMs simultaneously. Plug it in, plug in a BlinkM, fire up the BlinkM Multitrack Sequencer, and start programming BlinkMs. It requires no drivers (when used with most operating systems), additional software or hardware. BlinkM’s sold separately. Features: Driverless. Identifies itself as a USB Human Interface (HID) class device, which nearly every operating sy..
R854.00
Magnet Ring - 3/16"
These are small rare earth magnets - 3/16" rings. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. This one small ring can easily hold a piece of paper to your fridge. We found these small rings to be very useful for connecting PCBs together. These rings are conductive and can act as a magnetic connector between widgets. You need a way to secure the ring to the PCB (screws and rivets have been shown to work). Sold in single units. ..
R16.50
Magnet Square - 0.125"
These are very small rare earth magnets - 0.125" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. Don’t let the photo fool you - these are very small magnets. Activates the reed switch (shown below) at a distance of about 1cm. Sold in single units...
R16.50
Magnet Square - 0.25"
These are small rare earth magnets - 0.25" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for a great way to attach tools to a metal workbench, hold small children to a fridge, and as a trigger for reed switches. Activates the reed switch (shown below) at a distance of about 3cm. Sold in single units...
R33.00
MicroSD Card with Adapter - 16GB (Class 10)
This is a class 10 16GB microSD memory card, perfect for housing operating systems for single board computers and a multitude of other information. Since this is a class 10 microSD it is capable of transferring data at speeds up to 45MB/s allowing it to have a noticeable increase in performance while running an on-board OS. Each microSD card comes with its own SD adapter for better ease of access. Additionally this microSD card is perfect when used with the Raspberry Pi 3, as its boot card. Includes: 16GB MicroSD card MicroSD Adapter Features: Class 10 (up to 45MB/s read-write) 16GB S..
R345.00
microSD USB Reader
This is an awesome little microSD USB reader. Just slide your microSD card into the inside of the USB connector, then stick this into a USB port and the card’s contents will pop up on your computer. Very sneaky - we love it! This little guy is great for pulling data logs off microSD media. This reader also includes an indicator LED which will light up if a microSD card is present. This device is completely plug-and-play, so no drivers needed. Note: The microSD card is sold separately. Features: TF/microSD/microSDHC Card High-Speed Reader USB Interface Removable Cap Keychain Lanyard Docu..
R115.00
Mini Microswitch Mount - A (pair)
These acrylic mounts are used to attach a miniature microswitches to a slotted surface like an Actobotics channel, making the switch perfect for slide, 3D printer, or robotics projects. Each A type mount features two slots and two screw holes for affixing it to a surface and attaching a mini microswitch to itself. Includes: 2x Mini Microswitch Mount - A 4x Phillips Head Screw Documents: Product Page (605622) Product Video ..
R49.50
Mini Microswitch Mount - B (pair)
These acrylic mounts are used to attach a miniature microswitches to a slotted surface like an Actobotics channel, making the switch perfect for slide, 3D printer, or robotics projects. Each B type mount features one slot and two screw holes for affixing it to a surface and attaching a mini microswitch to itself. Includes: 2x Mini Microswitch Mount - B 4x Phillips Head Screw Documents: Product Page (605624) Product Video ..
R49.50
Mini Microswitch Mount - C (pair)
These acrylic mounts are used to attach a miniature microswitches to a slotted surface like an Actobotics channel, making the switch perfect for slide, 3D printer, or robotics projects. Each C type mount features one slot and two screw holes for affixing it to a surface and attaching a mini microswitch to itself. Includes: 2x Mini Microswitch Mount - C 4x Phillips Head Screw Documents: Product Page (605626) Product Video ..
R49.50
Muscle Wire - 0.005" Diameter (1 foot)
This 0.005" Muscle Wire® (aka shape memory Nitinol) is a one foot long piece of nickel-titanium alloy that can flex and contract when a specific amount of heat or current is applied to it. If you are asking yourself “What sorcery is this?!” We assure you, this isn’t magic, it’s just simple science thanks to shape memory and a change between the wires weaker, low temperature form (martensitic) and its stronger, high temperature form (austenite). When the Muscle Wire® is in its martensitic form, it can be formed and bent into different shapes. However, when an electrical current of ~200mA is a..
R33.00
Muscle Wire - 0.012" Diameter (1 foot)
This 0.012" Muscle Wire® (aka shape memory Nitinol) is a one foot long piece of nickel-titanium alloy that can flex and contract when a specific amount of heat or current is applied to it. If you are asking yourself “What sorcery is this?!” We assure you, this isn’t magic, it’s just simple science thanks to shape memory and a change between the wires weaker, low temperature form (martensitic) and its stronger, high temperature form (austenite). When the Muscle Wire® is in its martensitic form, it can be formed and bent into different shapes. However, when an electrical current of ~1.5A is ap..
R41.00
Piezo Element
Piezo elements come in handy when you need to detect vibration or a knock. You can use these for tap or knock sensors pretty easily by reading the voltage on the output. They can also be used for a very small audio transducer such as a buzzer. Documents: Datasheet (7BB-20-6L0) Arduino Tutorial ..
R33.00
Piezo Igniter
This piezo igniter can be used for all sorts of applications where you need a spark to make fun things happen. With a large red button, easy mounting, and a long detachable ignition cable, this would be a perfect fit for your next spud cannon, rocket launcher, or flamethrower. The igniter itself is about 3.5" long, with a 0.65" diameter barrel (for mounting). The cable is just over 2 feet in length...
R230.00
Power Resistor Kit - 10W (25 pack)
Holy Wattage, Batman! This Power Resistor Kit comes with 5 each of 5 different 10 Watt resistor values including 1, 2, 4, 8, and 16 Ohms. These resistors are capable of dissipating large amounts of power without damaging themselves. This kit is perfect for testing projects that require large amounts of power while only requiring low resistance. This kit comes in a box of 25. Includes: 5x 1? 10 Watt Resistor 5x 2? 10 Watt Resistor 5x 4? 10 Watt Resistor 5x 8? 10 Watt Resistor 5x 16? 10 Watt Resistor Documents: Product Video ..
R123.00
Raspberry Pi™ - 16GB MicroSD NOOBS Card
This is an class 10 16GB micro SDHC card that is pre-installed with the NOOBS operating system for the Raspberry Pi. This SD card and adapter is perfect for a Raspberry Pi first timer or beginner while still providing convenience for anyone with more experience with the platform. This little card allows you to start using your Raspberry Pi straight out of the box without worrying about imaging it on your own. NOOBS is an easy operating system installer which contains Raspbian. It also provides a selection of alternative operating systems which are then downloaded from the internet and install..
R328.50
RedBot Buzzer
This buzzer is an add-on for your RedBot that gives your robot the ability to make awesome beep-boop noises or alerts when something interesting (or terrible) happens. The buzzer works by making use of two I/O pins on a controller board to create different noises based on the different frequency of I/O toggling. If you are using this buzzer on a RedBot, simply plug it in to one of the many 3-pin I/O ports and get your robot to make some noise. The buzzer has a 3-pin header which connects directly to the RedBot Mainboard or via male to female jumper wires. Use the included RedBot library to d..
R118.50
Relay SPDT Sealed - 20A
These are massive single pole - double throw (SPDT) sealed relays. This means that when current is applied to the coil it throws a simple changeover switch, terminating the connection from the NC contact to ground and closing the NO contact. Use them to switch high voltage/high current devices. Features: SPDT Relay Contacts Rated up to 220VAC @ 20A Coil Voltage: 5V Fully Sealed Documents: Datasheet (JQX-15F/005) Relay Tutorial ..
R64.00
Resettable Fuse PTC
This is a handy little device that can save your system from smoking. A resettable fuse (also known as a PTC) is a resistor that has very unique properties. For this model, if your circuit tries to draw more than 250mA of current (if you have a bad short for instance) the PTC would ‘trip’ (by heating up). The increased resistance (trip state) would break the circuit and allow only a small leakage current. The leakage current may still be enough to hurt some electronics but it’s much less than the 3A that the short may have allowed. Removing the short, the PTC ‘resets’ and allows current up..
R24.50
Resistor 1.0M Ohm 1/6 Watt PTH
1.0M Ohm, ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.We’ve opted for a new and more breadboard-friendly lead thickness (they’re a bit thicker than our last ones). Note: Sold as singles. But check below for multi-packs. Documents: Breadboard Lecture Sensor Interfacing Voltage Dividers ..
R3.50
Resistor 1.0M Ohm 1/6th Watt PTH - 20 pack
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 1.0M resistors make excellent pull-ups, pull-downs, and current limiters. Note: Although these come in bags marked with a quantity of 25, they don’t always contain 25. So we’d rather call it 20 and hope that you get extras. Documents: Breadboard Lecture Sensor Interfacing Voltage Dividers ..
R16.50
Resistor 100 Ohm 1/4th Watt PTH - 20 pack
These are ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 100 Ohm resistors make excellent pull-ups, pull-downs, and current limiters. Note: Although these come in bags marked with a quantity of 25, they don’t always contain 25. So we’d rather call it 20 and hope that you get extras. Documents: Breadboard Lecture Sensor Interfacing Voltage Dividers ..
R16.50
Resistor 10k Ohm 1/6th Watt PTH
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-downs, and current limiters. Need more than one? Checkout our bag of resistors. If you need a bunch of these, you can get good bulk discounts on Digikey, part # : 10KEBK-ND Documents:Breadboard Lecture, Sensor Interfacing, Voltage Dividers Sold in single pieces..
R5.00
Resistor 10K Ohm 1/6th Watt PTH - 20 pack
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-downs, and current limiters. We’ve opted for a new and more breadboard-friendly lead thickness (they’re a bit thicker than our last ones). These resistors come in bags of 20. Documents: Breadboard Lecture Sensor Interfacing Voltage Dividers ..
R16.50
Resistor 1K Ohm 1/4th Watt PTH - 20 pack
These are ¼th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 1K Ohm resistors make excellent pull-ups, pull-downs, and current limiters. Note: Although these come in bags marked with a quantity of 25, they don’t always contain 25. So we’d rather call it 20 and hope that you get extras. Documents: Breadboard Lecture Sensor Interfacing Voltage Dividers ..
R16.50
Resistor 330 Ohm 1/6 Watt PTH - 20 pack
1/6 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excellent LED current limiters and are great for general use. We’ve opted for a new and more breadboard-friendly lead thickness (they’re a bit thicker than our last ones). These resistors come in bags of 20. Documents: Breadboard Lecture ..
R16.50
Resistor 330 Ohm 1/6th Watt PTH
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excellent LED current limiters and are great for general use. Need more than one? Checkout our bags of resistors. If you need a bunch of these, you can get good bulk discounts on Digikey, part # : 330EBK-ND Documents:Breadboard Lecture Sold in single pieces..
R5.00
Resistor Network - 10K Ohm (6-pin bussed)
If you ever find yourself connecting handfuls of resistors to the ground bus of your breadboard, you may consider these SIL-packaged resistors as a time-saving alternative. This Singe In-Line component is actually 5 individual 10K Ohm resistors that share a common terminal on pin 6 (denoted with a black dot). These work great as current limiting resistors for rows of LEDs and two of these can replace 10 individual wire-lead resistors when hooking up our 10 LED bargraph displays. They also work well as pull-down resistors for DIP switches. Documents: Datasheet (4606X-1-103LF-ND) ..
R8.00
Resistor Network - 330 Ohm (6-pin bussed)
If you ever find yourself connecting handfuls of resistors to the ground bus of your breadboard, you may consider these SIL-packaged resistors as a time-saving alternative. This Singe In-Line component is actually 5 individual 330 Ohm resistors that share a common terminal on pin 6 (denoted with a black dot). These work great as current limiting resistors for rows of LEDs and two of these can replace 10 individual wire-lead resistors when hooking up our 10 LED bargraph displays. They also work well as pull-down resistors for DIP switches. Note: These may come in yellow or black. They are th..
R8.00
Rotary Encoder
This is a 12-step rotary encoder with a nice ‘clicking’ feel. It’s breadboard friendly, and has a pretty handy select switch (by pushing in on the knob). The encoder is different from a potentiometer in that an encoder has full rotation without limits. The unit outputs gray code so that you can tell how much and in which direction the encoder has been turned. This unit does not come with a knob, but a working knob is related below. Documents: Datasheet Rotary Encoder Tutorial and Arduino Project. Thanks Oleg! Example Arduino Project. Thanks Steve! Example Cooking Timer bildr Tutorial ..
R74.00

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