Products 1-48 of 80
Show
3D Printer Extruder Nozzle Drill Cleaner 0.2/0.3/0.35/0.4/0.5
Price: $26.48
View
Availability: Stocked
Elecrow Item #: EL-P3D0102DC -

    Many of you don't like the nozzle clogs and blocks when you are a 3D printer owner. Every extruder nozzle must be cleaned out from time to time. These nozzles are very difficult to clean properly. Never mind. We have an effective weapon to deal with it?a drill cleaner. These Micro-drill bit Extruder Nozzle Cleaners are an essential item for you. The drills are hard and thin enough to get into the nozzle and extract the blocked filament. There are 5 types of drills of 0.2mm 0.3mm,...

3D Printing Cleaning Filament 100grams 2.85mm (3.0mm Compatible)
Price: $9.95
View
Availability: Stocked-NoBackOrder
MK-Filament Item #: MK-Cleaning300 -

Cleaning Filament is valuable when transitioning between filaments that require different printing temperatures or have very different colours. Cleaning Filament cannot be used to create objects, instead it is a complementary filament to properly maintain your 3D printer.You can use Cleaning Filament to purge the tool head of your 3D printer when going from a high temperature filament to a lower temperature filament, or when transitioning from a dark colour filament to a light colour filament....

3D Printing Removal Tool
Price: $9.99
View
Availability: Stocked
MK-Misc Item #: MK-3DTool -

3D Printing Removal ToolFully polished high quality carbon steel, flexible blade, full tang & comfort grip handle.Used for easily removing your print jobs off the printer bedErgonomic handle for comfort gripFlexible blade

5mm Aluminum Timing Pulley For 3D Printer (2 pcs)
OOD!
Retail: $25.50
Price: $17.07
View
Availability: Stocked
DFRobot Item #: FIT0247 -

This is an 20 tooth timing pulley with a center diameter of 5mm (0.2"), this is a good fit for mounting on common stepper motors. These pullies are great for many mechanical projects. They are also commonly used in 3D printers. |Specification| Teeth: 20 Inner diameter: 5mm(0.2") Teeth diameter: 12.5mm (0.49") Teeth Width: 6.8mm (0.27") Outer diameter: 15 mm (0.59") Fastening screws: M3 x2|ShippingList| 5mm Aluminum Timing Pulley For 3D Printer x2 M4 embedded screw x4? ...

6 in 1 Screwdriver Tool Set for Mobile Device
Price: $8.11
View
Availability: Stocked-NoBackOrder
Elecrow Item #: EL-THT06019T -

This 6 in 1 Screwdriver Tool Set is ideal for the preservation and maintenance of precise work and some optics facilities, such as precise watches, mobile phones, televisions, PDA,PC and other applications. This set coming with 6pcs multi size bits can be also fit most phones in the market. Features 0.8mm bit Pentalobe screwdriver for the screws of iPhone 4/4S,iPhone 5 bottom cover/case T5 bit Screwdriver for the screws of Motorola and Nokia T6 bit Screwdriver for the screws of Motorola and...

8mm Aluminum Timing Pulley For 3D Printer (2 pcs)
OOD!
Price: $17.07
View
Availability: Back Order
DFRobot Item #: FIT0234 -

This is an 20 tooth timing pulley with a center diameter of 8mm (0.31"). These pullies are great for many mechanical projects. They are also very commonly used in 3D printers. |Specification| Tooth: 20 inner diameter: 8mm (0.31") Teeth diameter: 12.5mm (0.49") Teeth Width: 6.8mm (0.27") Outer diameter: 15 mm (0.59") Fastening screws: M3 x2 |ShippingList| 20 Tooth MXL 8mm x2 M4 embedded screw x4 ...

Adjustable Parts Box
OOD!
Price: $7.00
View
Availability: Back Order
Sparkfun Item #: PRT-13867 -

This is a small, adjustable part box for components, breakouts and development boards. Made from a clear polypropylene with reliable locking tabs, this box is incredibly durable and water-resistant. The best part about this little box is the six included dividers that can modify the inside of the container, providing you with compartments as small as 10mm x 40mm. Internally, the Adjustable Parts Box features a 145mm x 80mm area with a fixed divider encroaching halfway inside on both axes...

Adjustable Storage Case
OOD!
Price: $17.64
View
Availability: Back Order
Sparkfun Item #: PRT-15698 -

This sturdy carrying case is great for carrying anything from tiny components to medium-sized tools. With its adjustable dividers, it could be used to organize the parts on your workbench or you can take it on the road with you for portable assembly and repair. Slaps plastic lid--this bad boy can fit so many portable soldering irons! The case is about 320mm x 270mm x 80mm overall and double-sided with two locking lids. Note: This case is not ESD safe so make sure care is taken if storing...

Allen Screw Kit
Sale!
Price: $1.65
View
Availability: Stocked
Sparkfun Item #: TOL-11731 -

"This pack of 4-40 screws comes with a matching hex key. Each screw is 10mm in length. These are left over production stock from the original version of the BigTime Watch Kit so they won’t be around for long. Includes: 4x screws 1x hex key Dimensions: 10mm long"

Alligator Clip
OOD!
Price: $0.89
View
Availability: Back Order
Sparkfun Item #: PRT-00111 -

A staple for the electrical engineer. I can't tell you how many times I've been one clip short! Note: Sold as a single unit.

Aluminum Heatsink Case for Raspberry Pi 4 - Blue
Price: $32.26
View
Availability: Out of Stock
Sparkfun Item #: PRT-15896 -

Why use a heatsink and a case, when you can use a heatsink case?! This blue, anodised aluminium case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the ports, pins,...

Aluminum Heatsink Case for Raspberry Pi 4 - Gold
OOD!
Price: $32.26
View
Availability: Back Order
Sparkfun Item #: PRT-15774 -

Why use a heatsink and a case, when you can use a heatsink case?! This gold, anodised aluminium case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the ports, pins,...

Aluminum Heatsink Case for Raspberry Pi 4 - Green
OOD!
Price: $32.26
View
Availability: Back Order
Sparkfun Item #: PRT-15895 -

Why use a heatsink and a case, when you can use a heatsink case?! This green, anodised aluminium case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the ports,...

Aluminum Heatsink Case for Raspberry Pi 4 - Magnetite Grey
OOD!
Price: $32.26
View
Availability: Back Order
Sparkfun Item #: PRT-15775 -

Why use a heatsink and a case, when you can use a heatsink case?! This magnetite grey, anodised aluminium case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the...

Aluminum Heatsink Case for Raspberry Pi 4 - Obsidian Black
OOD!
Price: $32.26
View
Availability: Back Order
Sparkfun Item #: PRT-15773 -

Why use a heatsink and a case, when you can use a heatsink case?! This black, anodized aluminum case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the ports, pins,...

Aluminum Heatsink Case for Raspberry Pi 4 - Purple
OOD!
Price: $32.26
View
Availability: Back Order
Sparkfun Item #: PRT-15894 -

Why use a heatsink and a case, when you can use a heatsink case?! This purple, anodised aluminium case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the ports,...

Aluminum Heatsink Case for Raspberry Pi 4 - Red
OOD!
Price: $32.26
View
Availability: Back Order
Sparkfun Item #: PRT-15893 -

Why use a heatsink and a case, when you can use a heatsink case?! This red, anodised aluminium case for the Raspberry Pi 4 will give you 10-15°C of passive cooling under a full CPU load. This case is great for situations where you want completely silent cooling, like home media centers. It comes with a thermal pad to provide thermal contact between the CPU and top case, and a handy Allen Key and set of hex bolts to attach the case together. The case gives you access to all of the ports, pins,...

Analog Panel Meter - 0 to 5 VDC
OOD!
Price: $9.31
View
Availability: Back Order
Sparkfun Item #: TOL-10285 -

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

Arduino Uno Enclosure - Black Plastic
OOD!
Price: $14.09
View
Availability: Back Order
Sparkfun Item #: PRT-12839 -

The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and sound inside this black opaque plastic enclosure? These cases protect your Arduino Uno from things like rogue wires that might short it out while still allowing full access to the board! Simply snap the Uno into the bottom half of the enclosure, then snap the two sides together. As you may have noticed, these Arduino enclosures are actually an opaque black color. The...

Arduino Uno Enclosure - Clear Plastic
OOD!
Price: $14.09
View
Availability: Back Order
Sparkfun Item #: PRT-12838 -

The Arduino Uno is the undisputed champion of all development boards, why would you not want to keep your board safe and sound inside this clear plastic enclosure? These cases protect your Arduino Uno from things like rogue wires that might short it out while still allowing full access to the board! Simply snap the Uno into the bottom half of the enclosure, then snap the two sides together. As you may have noticed, these enclosures are actually transparent. The enclosures are perfect for...

Auxiliary Clip Magnifier for Soldering
Price: $13.03
View
Availability: Stocked-NoBackOrder
Elecrow Item #: EL-TH8875AC -

It is a very useful maintenance tool with magnifier, clip, LED and iron stand. It can play an important role when you weld small SMD components. You can nip the PCB with clip, enlarge it with magnifier and then start to weld. Sometimes, in order to prevent the adjacent pins together when welding the IC with intensive pins, you can use magnifier to enlarge for testing, if the light is weak, you can open the LED.

Big Red Box - Enclosure
Price: $15.86
View
Availability: Back Order
Sparkfun Item #: PRT-11366 -

This is the Big Red Box! These beefy, bright red, flanged, plastic enclosures will give your widget the protection (and attention) it deserves. You've probably seen these used to enclose radio equipment or antenna baluns as they can be secured to a pole using U-bolts (not included). At about 3mm thick, this 74x158x90mm enclosure has plenty of space for gizmos, gadgets, widgets and doohickeys. The mounting flanges extend 19mm from either edge with two 50mm-spaced 7mm diameter holes. There's a...

Binho Nova Multi-Protocol USB Host Adapter
OOD!
Price: $310.19
View
Availability: Back Order
Sparkfun Item #: DEV-16382 -

The Binho Nova Multi-Protocol USB Host Adapter allows one to interface their computer directly to hardware circuits. This device is powered by the USB connection to the host PC and is also able to provide downstream power to test circuits. The Binho Nova Multi-Protocol USB Host Adapter features 5 signal pins, one x 3v3 pin, one x VUSB pin, and three x GND pins on its 10pin wire harness. The wire harness terminates with a female 1.27mm 2x5 IDC connector. In IO Mode, the five signal pins can be...

bladeRF 2.0 micro Enclosure
Price: $46.09
View
Availability: Out of Stock
Sparkfun Item #: PRT-15044 -

This is a simple, transparent enclosure designed to protect your bladeRF 2.0 micro from external threats. The enclosure is made of a high density, PolyCarbonate material that can withstand a fair amount of stress. Each enclosure includes four screws to secure the bladeRF 2.0 micro in between the top and bottom of the case. Note: This enclosure does NOT include a bladeRF 2.0 micro SDR and will need to be purchased separately. Includes: 1x bladeRF 2.0 micro Case 5x #2 Screws Features:...

Carrying Case - Black HDPE
OOD!
Price: $19.59
View
Availability: Back Order
Sparkfun Item #: PRT-14474 -

Sometimes all you need is a simple but durable carrying case for your parts or projects. This carrying case is molded out of protective, black High-Density Polyethylene (HDPE), providing a good mix of abrasion resistance, impact toughness, resistance to chemicals, and strength for whatever you need to go inside! The lid features a Polyolefin snap-in latch and carrying handle as well. This case is the same one we have used for the SparkFun Inventor's Kit v4.0, but unlike previous cases for the...

Digilent BNC Adapter Board
Price: $40.09
View
Availability: Out of Stock
Sparkfun Item #: TOL-14260 -

The Digilent BNC Adapter Board is a simple add-on board intended to be used with the Digilent Analog Discovery 2, which allows you to use standard BNC-terminated test leads and probes with your pocket-sized oscilloscope. The adapter board provides BNC terminations to each of the two oscilloscope channels and enables you to AC couple or DC couple signals to the oscilloscope in the Analog Discovery. Each channel of the oscilloscope can be selected as AC or DC, coupled by adjusting the jumper...

Digital LED Voltmeter
OOD!
Price: $3.16
View
Availability: Back Order
Sparkfun Item #: PRT-14313 -

This Digital LED Voltmeter measures the voltage at a particular point of the system it has been hooked up to and then provides a readout on its three 7-segment LEDs. This voltmeter is able to provide a readout of voltages from 2.5VDC to 30VDC within a 1% accuracy. Features: Range: 2.5VDC --- 30VDC Display: Three 0.28" Red 7-Segment LEDs Refresh Rate: ~1sec Accuracy Within 1%

Digital Multimeter - Basic
Price: $26.99
View
Availability: Stocked
Sparkfun Item #: TOL-12966 -

The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. The SparkFun Digital Multimeter, however, is not your average multimeter, it features a loud continuity sound, current/voltage sense, and quality probes. You can use the multimeter to measure DC and AC voltage, DC current, resistance, continuity, and test diodes. With this version we've done away with the bright flashy colors that can get us into trouble and gone with a nice, neutral gray. This...

Digital Storage Oscilloscope - 100MHz (TBS2104)
OOD!
Price: $6,148.03
View
Availability: Back Order
Sparkfun Item #: TOL-14925 -

The Tektronix TBS2104 Digital Storage Oscilloscope offers a 9-inch WVGA display, 20 million point record length and 1GS/s sample rate. With this oscilloscope you will be able to capture and display significantly more signal to speed up evaluations of designs. On-waveform cursor readouts and 32 automated measurements allow users to easily and confidently analyze signals. The TekVPI® probe interface works with traditional BNC connections, while also enabling wide application coverage with active...

DSO Nano V3 - Pocket-Sized Digital Oscilloscope
OOD!
Price: $229.87
View
Availability: Back Order
Sparkfun Item #: TOL-11702 -

An oscilloscope is an awesome tool to have around the shop. Unfortunately, most scopes take up quite a bit of bench space and they're not very portable. The DSO Nano v3, on the other hand, is a 32bit digital storage oscilloscope that fits in the palm of your hand! Based on ARM -M3, it’s equipped with a 320x240 color display, internal 2MB storage, USB port and recharging function. It’s compact, simple to operate and perfect for everything from the test bench to field work. The version 3 of DSO...

Electrician Tape - Red
Retail: $1.58
Price: $1.21
View
Availability: Stocked-NoBackOrder
Elecrow Item #: EL-TET10020T -

Electrical tape is a type of pressure-sensitive tape used to insulate electrical wires and other materials that conduct electricity. It is very useful in our daily life.For example,when your wire was bitten by something, it will come in handy.Specifications Material: PVC Adhesive: Nature Rubber, Pressure Sensitive AdhesiveThickness: 0.13mm Width: 18mm Length: 10m Use temperature: 0~80\xb0C MAX use voltage: 600VElongation at break: 150% ~ 220% tensile stress: 2.5-3Kg/cm Features For insulating...

Enclosure - Aluminum (112x61x31mm)
OOD!
Price: $9.44
View
Availability: Back Order
Sparkfun Item #: PRT-13839 -

These are our small, beefy aluminum enclosures, which have been built tough enough to withstand a truck. This 2mm-thick, die-cast enclosure is rated IP54 against dust and splashing water. Because it's aluminum, it's easy to cut and drill so that you can add LCD screens, buttons and cable connections. If you want to "pretty up" your project, hit this with some fine-grit sand paper and buff it or just spray paint it! These enclosures are perfect for producing "stomp box" style effects pedals....

Enclosure - Aluminum (120x94.5x34mm)
OOD!
Price: $9.31
View
Availability: Back Order
Sparkfun Item #: PRT-13838 -

These are our large, beefy aluminum enclosures, which have been built tough enough to withstand a truck. This 2mm-thick, die-cast enclosure is rated IP54 against dust and splashing water. Because it's aluminum, it's easy to cut and drill so that you can add LCD screens, buttons and cable connections. If you want to "pretty up" your project, hit this with some fine-grit sand paper and buff it or just spray paint it! These enclosures are perfect for producing "stomp box"-style effects pedals....

Flirc Raspberry Pi Zero Case
Price: $26.50
View
Availability: Out of Stock
Sparkfun Item #: PRT-16782 -

The Flirc Raspberry Pi Zero Case has an aluminium casing with a core heatsink and smooth top, offering silent, passive and efficient cooling combined with great looks. This case also comes with a thermal pad that can fit to the case heatsink core before fitting your Raspberry Pi Zero. The SD Card is enclosed inside the case so it won't slip out or get stolen. The case needs to be disassembled before the SD card can be removed. There’s even a pre-installed lanyard included in the box in case...

Grease for 3D Printer (5 gram)
OOD!
Price: $1.64
View
Availability: Back Order
DFRobot Item #: FIT0276 -

This box of grease is very small, light and easy to carry. It can be uesd in many places. It is suitable for the condition of light load or high speed plastic gear, plastic parts, nylon retainer bearing lubrication, protection and noise reduction. You will need it for your robot and 3D Printer. |Specification| Net Weight : 5g|ShippingList| Grease(5g) x1

Heat Shrink Kit
Price: $14.35
View
Availability: Stocked
Sparkfun Item #: PRT-09353 -

We love heat shrink! We use it for all sorts of handy projects. Use it to reinforce connections, protect devices, and electrically isolate exposed solder joints. We worked with a manufacturer to create a kit that we would use: lots of colors, lots of sizes, nothing too long. We specially requested some of the sizes with heat sensitive glue which significantly increases stress relief and water proofing. This kit includes 95 pieces of heat shrink, all of varying colors and sizes, and comes in a...

Heatsink Compound
OOD!
Price: $5.32
View
Availability: Back Order
Sparkfun Item #: PRT-09599 -

This is a 5g syringe of white heatsink compound (aka thermal grease, thermal paste, thermal goo). Use this whenever you're connecting a component to a heatsink, it'll really help to dissipate even more potentially damaging heat. This compound is composed of 50% silicone, 20% carbon, and 30% metal oxide. It has a thermal conductivity of 1.172 W/(mK), which should be plenty for voltage regulators, MOSFETs, motor drivers, audio amplifiers, etc. Features: Color: White Thermal Conductivity: 1.172...

Heatsink TO-220
OOD!
Price: $1.77
View
Availability: Back Order
Sparkfun Item #: PRT-00121 -

Small heat sink for TO-220 components. Ideal for keeping your 5V and 3.3V regulators running cool. Black anodized bolt on type with 2.5W dissipation.

Hemostats-Curved
Price: $6.87
View
Availability: Stocked
Sparkfun Item #: TOL-08555 -

Hemostats-Curved Description: 5" hemostats with a curved tip. We use them exclusively to hold small SMD parts in place while soldering. A must have for any hand-assembly project.

Hot-air Rework Nozzles - Y1126
Price: $26.50
View
Availability: Out of Stock
Sparkfun Item #: TOL-07925 -

Hot-air rework nozzles compatible with all of our rework stations. Sold in single units by model number. Documents: Spec Sheet

Hot-air Rework Replacement Element - Temp Controlled
OOD!
Price: $35.36
View
Availability: Back Order
Sparkfun Item #: TOL-11130 -

Here's a replacement heating element for our hot-air rework stations. It's compatible with Sunkko stations and our own branded rework station. The element is the same for other manufacturers and the connector can be modified by a skilled user to work with other manufacturers. This element includes a thermocouple element at the tip of the air flow with two wires to be connected to a temperature sensing circuit.

JST connector Kit (2.54mm) (0.1)
OOD!
Price: $15.34
View
Availability: Back Order
DFRobot Item #: FIT0255 -

This kit includes JST XHP-2, XHP-3 and XHP-4 housing (20 units each), through-hole type shrouded header (20 units each) and crimp contact (100 units). |Specification| Current rating:3A AC,DC (AWG #22) Voltage rating:250V AC,DC Temperature range?-25? to +85??including temperature rise in applying electrical current? Contact resistance?Initial value/10m &;Omega; max. After environmental testing/20m &;Omega; max. Insulation resistance?1000M &;Omega; min. Withstanding voltage?1000V AC/minute...

LM8UU Linear Bearings for 3D Printer
Price: $7.42
View
Availability: Stocked-NoBackOrder
Elecrow Item #: EL-P3D0125LM8 -

      This linear ball bearing is intended to slide along an M8 linear shaft. They are used in all RepRap (Prusa i3) and other 3D printers for X / Y Axis Movements. Features 24mm long x 15mm outer diameter x 8mm inner diameter

Logic Pro 8 - USB Logic Analyzer
Price: $1,914.30
View
Availability: Out of Stock
Sparkfun Item #: TOL-13196 -

Do you need big logic analysis in a small package? That's exactly what the Logic Pro 8 brings you. The Logic Pro 8 is a 8-channel USB logic analyzer with so much style it'll make your cell phone jealous. Simply connect it to your computer with the included USB 3.0 cable, attach your test probes and install the Saleae Logic software and you'll be debugging in no time. Along with adding 4 more channels of signal capture, the Logic Pro 8 differs from the Logic 4 by increasing the max sample rate,...

Medium Heatsink
OOD!
Price: $3.32
View
Availability: Back Order
Sparkfun Item #: PRT-14340 -

This is a medium-sized heatsink that has been designed to dissipate heat away from your boards and ICs. Each of these black anodized heatsinks is perfect when used in conjunction with our ESP32 Thing Power Control Shield, but it also fits the TO-220 package. Documents: Dimensional Drawing

Mesh cable guide (1.25m) (49.21)
OOD!
Price: $1.02
View
Availability: Back Order
DFRobot Item #: FIT0250 -

This is a black braided cable guide. The braid provides some rigidity to the cables, also, it can be expanded by compressing it which will allow many more cables to fit inside. |Specification| Color: Black Length: 1.25m (49.21") Inner diameter: 10mm (0.39") |ShippingList| Braided cable guide (1.25 meter)

MI:pro Mountable Case for micro:bit
OOD!
Price: $10.63
View
Availability: Back Order
Sparkfun Item #: PRT-14335 -

The Mountable MI:pro is a simple and compact protective case for the micro:bit. These cases feature a three-layer construction style with ability to wall-mount the whole assembly onto any surface you want while still providing access to all buttons and ports on the micro:bit. Though these cases do feature wall-mountable tabs, the biggest benefit of using a case is to not accidentally short out the pads on the back of the micro:bit. Construction is simple, requiring only a small flathead...

MI:pro Protector Case for micro:bit
OOD!
Price: $11.52
View
Availability: Back Order
Sparkfun Item #: PRT-14680 -

The MI:pro Protector is a simple and compact protective case for the micro:bit. These cases feature a four-layer construction style with ability to mount a 2xAAA battery pack to the back of the case while still providing access to all buttons and ports on the micro:bit. Though these cases do protect the micro:bit astoundingly well, the biggest benefit of using the MI:pro is to not accidentally short out the pads on the back of the micro:bit. Construction is simple, requiring only a small...