Components & Parts


Product Image Item Name- Price

SD/MicroSD Memory Card (4 GB SDHC)


Add mega-storage in a jiffy using this 4 GB micro-SD card. It comes with a SD adapter so you can use it with any of our shields or adapters!...
ID : 102

IN STOCK
$7.95


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Mini Thermal Receipt Printer Starter Pack


Hit the ground running (and printing!) with this starter pack that includes a thermal printer and all the extras and save a few dollars while you're...
ID : 600

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$61.95


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SMT/SMD 0805 Resistor and Capacitor Book - 3725 pieces


Always have the right SMT components at your hand with this awesome 0805 Resistor and Capacitor book set! This book has nice translucent pages filled...
ID : 441

IN STOCK
$39.95  $35.96
Save: 10% off


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Mini Remote Control


This little remote control would be handy for controlling a robot or other project from across the room. It has 21 buttons and a layout we thought...
ID : 389

IN STOCK
$5.00


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Extra-long break-away 0.1" 16-pin strip male header (5 pieces)


Breakaway header is like the duct tape of electronics, and this header is one better with extra long pins on both sides. This makes it great for...
ID : 400

IN STOCK
$3.00


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Break-away 0.1" 36-pin strip male header (10 pieces)


Breakaway header is like the duct tape of electronics. Its great for connecting things together, soldering to perf-boards, fits into any breakout or...
ID : 392

IN STOCK
$7.50


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MCP3008 - 8-Channel 10-Bit ADC With SPI Interface


Need to add analog inputs? This chip will add 8 channels of 10-bit analog input to your microcontroller or microcomputer project. It's super easy to...
ID : 856

IN STOCK
$3.75


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Peltier Thermo-Electric Cooler Module+Heatsink Assembly - 12V 5A


This is for people who just want to get cold fast. The 12V Peltier module is mounted onto a 12V heatsink and fan assembly with thermal paste and an...
ID : 1335

4 IN STOCK
$34.95


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Dual H-Bridge Motor Driver for DC or Steppers - 600mA - L293D


Run four solenoids, two DC motors or one bi-polar or uni-polar stepper with up to 600mA per channel using the L293D. These are perhaps better known...
ID : 807

IN STOCK
$2.50


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20-pin 0.1" Female header - pack of 5!


Female header is like the duct tape of electronics. Its great for connecting things together, soldering to perf-boards, sockets for wires or...
ID : 598

IN STOCK
$2.95


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Colorful Round Tactile Button Switch Assortment - 15 pack


Little clicky switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless breadboard as...
ID : 1009

87 IN STOCK
$5.95


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Mini Thermal Receipt Printer


Add a mini printer to any microcontroller project with this very cute thermal printer. Thermal printers are also known as receipt printers, they're...
ID : 597

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$49.95


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Rotary Encoder + Extras


This rotary encoder is the best of the best, its a high quality 24-pulse encoder, with detents and a nice feel. It is panel mountable for placement...
ID : 377

IN STOCK
$4.50


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SD/MicroSD Memory Card (8 GB SDHC)


Add mega-storage in a jiffy using this 8 GB class 4 micro-SD card. It comes with a SD adapter so you can use it with any of our shields or adapters,...
ID : 1294

25 IN STOCK
$11.95


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N-channel power MOSFET


When you need to switch a lot of power, N channel MOSFETs are best for the job. These FETs can switch over 60A and 30V and are TO-220 package so they...
ID : 355

IN STOCK
$1.25


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SMT 0603 Resistor and Capacitor Book - 3725 pieces


Always have the right SMT components at your hand with this awesome 0603 Resistor and Capacitor book set! This book has nice translucent pages filled...
ID : 442

32 IN STOCK
$39.95  $35.96
Save: 10% off


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MCP23017 - i2c 16 input/output port expander


Add another 16 pins to your microcontroller using a MCP23017 port expander. The MCP23017 uses two i2c pins (these can be shared with other i2c...
ID : 732

IN STOCK
$2.95


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Tactile Button switch (6mm) x 20 pack


Little clicky switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless breadboard as...
ID : 367

IN STOCK
$2.50


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Panel Mount 2.1mm DC barrel jack


This power jack is designed to easily attach to a panel up to 8mm thick (0.315" or 5/16") and fit 2.1mm power plugs snugly and securely. Perfect for...
ID : 610

IN STOCK
$2.95


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Membrane 1x4 Keypad + Extras


Punch in your secret key into this numeric membrane keypad. This keypad has 4 buttons, and since every key has its own wire line, no matrix code is...
ID : 1332

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$2.95


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Membrane 3x4 Matrix Keypad + extras


Punch in your secret key into this numeric matrix keypad. This keypad has 12 buttons, arranged in a telephone-line 3x4 grid. It's made of a thin,...
ID : 419

IN STOCK
$3.95


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74HC595 Shift Register - 3 pack


Add lots more outputs to a microcontroller system with chainable shift registers. These chips take a serial input (SPI) of 1 byte (8 bits) and then...
ID : 450

46 IN STOCK
$2.75


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Peltier Thermo-Electric Cooler Module - 12V 5A


Keep it cool with a Peltier module. These unique electronic components can generate a temperature differential when powered. That is to say, apply...
ID : 1330

IN STOCK
$12.50


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USB MicroSD Card Reader/Writer - microSD / microSDHC / microSDXC


This is the cutest little microSD card reader/writer - but don't be fooled by its adorableness! It's wicked fast and supports up to 64 GB SDXC cards!...
ID : 939

IN STOCK
$5.95


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Terminal Block - 2-pin 3.5mm - pack of 5!


Nothing makes a project harder to maintain than a lot of loose wiring. That's why we like to use terminal blocks whenever making PCB-to-Wire...
ID : 724

IN STOCK
$2.95


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TIP120 Power Darlington Transistors - 3 pack


Transistors are powerful little electronic switches, and when our little NPN transistors aren't power enough for your project, we have been known to...
ID : 976

36 IN STOCK
$2.50


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Breadboard-friendly 2.1mm DC barrel jack


This power jack is designed to fit 2.1mm power plugs snugly and securely. Perfect for adding a power connector to your project. We went for the more...
ID : 373

IN STOCK
$0.95


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Breadboard-friendly SPDT Slide Switch


These nice switches are perfect for use with breadboard and perfboard projects. They have 0.1" spacing and snap in nicely into a solderless...
ID : 805

IN STOCK
$1.95


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Medium Modular Snap Boxes - SMD component storage - 2 pack


For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can...
ID : 433

24 IN STOCK
$2.95


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Peltier Thermo-Electric Cooler Module - 5V 1A


Keep it cool with a Peltier module. These unique electronic components can generate a temperature differential when powered. That is to say, apply 5V...
ID : 1331

64 IN STOCK
$14.95


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Breadboard trim potentiometer


These are our favorite trimpots, perfect for breadboarding and prototyping. They have a long grippy adjustment knob and with 0.1" spacing they plug...
ID : 356

IN STOCK
$1.25


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Colorful Square Tactile Button Switch Assortment - 15 pack


Little clicky switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless breadboard as...
ID : 1010

IN STOCK
$5.95


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Antistatic Modular Snap Boxes - SMD component storage - 5 pack


For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can...
ID : 430

26 IN STOCK
$6.95


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28-pin ZIF socket


A ZIF (Zero Insertion Force Socket) allows you to insert and remove chips easily from an existing circuits. These are often used for chip programmers...
ID : 382

95 IN STOCK
$3.00


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Terminal Block - 3-pin 3.5mm - pack of 5!


Nothing makes a project harder to maintain than a lot of loose wiring. That's why we like to use terminal blocks whenever making PCB-to-Wire...
ID : 725

84 IN STOCK
$3.95


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Tiny Modular Snap Boxes - SMD component storage - 10 pack


For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can...
ID : 431

IN STOCK
$3.95


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NPN Bipolar Transistors (PN2222) - 10 pack


Transistors are powerful little electronic switches, and we really like these NPN transistors whenever we need to control medium-power electronics...
ID : 756

IN STOCK
$1.95


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USB Powered Speakers


Add some extra boom to your audio project with these powered loudspeakers. We sampled half a dozen different models to find ones with a good...
ID : 1363

22 IN STOCK
$9.95


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Large Modular Snap Box - SMD component storage


For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can...
ID : 434

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$1.95


Notify me when back in stock.

Tiny Modular Snap Boxes - SMD component storage - 10 pack


For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can...
ID : 427

62 IN STOCK
$3.95


Buy Now

Membrane LED Keypad + extras


This membrane keypad has a single key, but it does have an embedded surface-mount red LED installed. The flex cable is also extra-long, so we can...
ID : 1333

95 IN STOCK
$2.95


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1N4001 Diode - 10 pack


This here is a 10 pack of the classic 1N4001 power blocking diode. These are good for reverse polarity protection (put it between your DC power jack...
ID : 755

IN STOCK
$1.50


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74LVC245 - Breadboard Friendly 8-bit Logic Level Shifter


Most of our customers love using the Arduino for prototyping, design and invention but find themselves stuck when trying to connect the Arduino to...
ID : 735

28 IN STOCK
$1.50


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MCP23008 - i2c 8 input/output port expander


Add another 8 pins to your microcontroller using a MCP23008 port expander. The MCP23008 uses two i2c pins (these can be shared with other i2c...
ID : 593

86 IN STOCK
$1.95


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Blank SMT Storage Book - 20 pages


This cute hard-covered booklet will make storing your SMT parts a breeze with translucent flip-pages that are designed for keeping taped parts. The...
ID : 520

25 IN STOCK
$9.95


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ULN2803: 8 Channel Darlington Driver (Solenoid/Unipolar Stepper)


Bring in some muscle to your output pins with 8 mighty Darlingtons! This DIP chip contains 8 drivers that can sink 500mA from a 50V supply and has...
ID : 970

IN STOCK
$1.95


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Thru-hole 5-way Navigation switch


This navigation switch is an intuitive way to add 5 button's worth of interfacing with a single component. Inside is 5 switches: left, right, up,...
ID : 504

IN STOCK
$2.95


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TO-220 Clip-On Heatsink


Get the most out of your regulators, transistors and other TO-220 packaged chips by clipping on a heat-sink. Your transistor or regulator may...
ID : 977

IN STOCK
$0.75


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Op Amp - Dual Rail-to-Rail - 2.7-12V power @ 80mA output (TS922)


When you need to amplify, filter, add, or otherwise manipulate analog signals you'll certainly want an operational amplifier at your side. This is...
ID : 808

IN STOCK
$2.95


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Panel Mount 10K potentiometer (Breadboard Friendly)


This potentiometer is a two-in-one, good in a breadboard or with a panel. Its a fairly standard linear taper 10K ohm potentiometer, with a grippy...
ID : 562

IN STOCK
$0.95


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Speaker - 3" Diameter - 8 Ohm 1 Watt


Listen up! This 3" diameter speaker cone is the perfect addition to any audio project where you need an 8 ohm impedance and 1W or less of power. We...
ID : 1313

33 IN STOCK
$1.95


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TPIC6B595 High Power Shift Register


Add a bunch of high-power outputs to a microcontroller system with chainable shift registers. These chips take a serial input (SPI) of 1 byte (8...
ID : 457

46 IN STOCK
$1.95


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0.1uF ceramic capacitors - 10 pack


As any engineer will tell you, 0.1uF ceramic capacitors are the magic fairy dust of electronics - sprinkle them over your circuit schematics for good...
ID : 753

IN STOCK
$1.95


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Tactile Switch Buttons (12mm square, 6mm tall) x 10 pack


Medium-sized clicky momentary switches are standard input "buttons" on electronic projects. These work best in a PCB but can be used on a solderless...
ID : 1119

IN STOCK
$2.50


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Small Modular Snap Boxes - SMD component storage - 3 pack


For storing small parts (especially SMT/SMD components), these little modular boxes are ideal. They have individual clear pop-open covers so you can...
ID : 432

20 IN STOCK
$2.95


Buy Now

Little Rubber Bumper Feet - Pack of 4


Keep your electronics from going barefoot, give them little rubber feet! These small sticky bumpers are our favorite accessory for any electronic kit...
ID : 550

49 IN STOCK
$0.95


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40-pin ZIF socket


A ZIF (Zero Insertion Force Socket) allows you to insert and remove chips easily from an existing circuits. These are often used for chip programmers...
ID : 383

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$4.00


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Thermal paper roll - 50' long, 2.25" wide


A mini roll of thermal paper, this fits very nicely into our mini thermal printer. 2.25" wide (about 57mm) and 50 feet long (15 meters). BPA-free....
ID : 599

IN STOCK
$1.95


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Speaker - 3" Diameter - 4 Ohm 3 Watt


Listen up! This 3" diameter speaker cone is the perfect addition to any audio project where you need an 4 ohm impedance and 3W or less of power. We...
ID : 1314

54 IN STOCK
$1.95


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3x4 Right Angle Male Header - 4 pack


Three rows in a right angle header!? Yes! These chunks of 0.1" header has yet-another-row - handy for when you want to connect cables that come in...
ID : 816

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$2.95


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PS/2 Wired Connector - Panel Mount MiniDIN-6


Although you may not see PS/2 keyboards & mice as often on desktop computers, there's still tons of them out there, and they're really easy to...
ID : 804

69 IN STOCK
$3.95


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3x8 Male Header - 4 pack


Three rows!? Yes! These chunks of 0.1" header has yet-another-row - handy for when you want to connect cables that come in sets of three, like...
ID : 806

8 IN STOCK
$2.95


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Aluminum SMT Heat Sink - 0.5"x0.5" square


If you want to heat sink a SoC, motor driver, or other surface-mount package part, you might find yourself struggling to find a good heat sink. These...
ID : 1041

IN STOCK
$2.75


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2mm 10 pin socket header (for XBee)


XBees are so cute and tiny but if you're using them in a circuit you'll be annoyed to find that your classic 0.1" headers don't fit them! That's...
ID : 366

IN STOCK
$1.00


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Breadboard-friendly MIDI Jack (5-pin DIN)


To celebrate the 30th Anniversary of the invention of MIDI we're carrying these handy 5-pin MIDI jacks. They're what you see on the back of nearly...
ID : 1134

61 IN STOCK
$1.75


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Aluminum SMT Heat Sink - 0.27"x0.27" square


If you want to heat sink a SoC, motor driver, or other surface-mount package part, you might find yourself struggling to find a good heat sink. These...
ID : 1043

IN STOCK
$1.75


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Aluminum SMT Heat Sink - 0.4"x0.4" square


If you want to heat sink a SoC, motor driver, or other surface-mount package part, you might find yourself struggling to find a good heat sink. These...
ID : 1042

IN STOCK
$1.95


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Mechanical Decade Counters - Small Size - Pack of 5


Click click click - oh pardon me I was having fun clicking away on my mechanical decade counters. Each order comes with five individual counters....
ID : 1084

74 IN STOCK
$4.95


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Mechanical Decade Counters - Large Size - Pack of 5


Click click click - oh pardon me I was having fun clicking away on my mechanical decade counters. Each order comes with five individual counters....
ID : 1082

IN STOCK
$7.50


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