Special Offers
OLED Breakout Board - 16-bit Color 0.96" w/microSD holder
We love our black and white monochrome displays but we also like to dabble with some color now and t..
$23.10 $29.95
One Wire Digital Temperature Sensor - DS18B19
Description: This is the latest DS18B20 1-Wire digital temperature sensor from Maxim IC. Reports deg..
$4.00 $1.49
Open SoftWear
Open Softwear is a book about fashion and technology. More precisely it is a book about Arduino boar..
$25.00 $29.95
PCA9306 Level Translator Breakout
WARNING: This board has an issue with the enable pin. It will be replaced by BOB-11955 eventually. T..
$5.90 $5.99
PIR (motion) sensor
PIR sensors are used to detect motion from pets/humanoids from about 20 feet away (possibly works on..
$9.90 $9.95
Raspberry Pi User Guide by Gareth Halfacree and Eben Upton
The Raspberry Pi User Guide: 2nd Edition contains everything the reader needs to know to get up and ..
$22.00 $29.99
RFID Tag - 125kHz
This 125kHz RFID tag has a unique 32-bit ID code and can't be re-programmed. You can read the co..
$1.25 $1.49
RGB backlight positive LCD 16x2 + extras (black on RGB)
This is a fancy upgrade to standard 16x2 LCDs, instead of just having blue and white, or red and bla..
$10.00 $12.99
Robot Builder's Bonanza
Have fun while learning how to design, construct, and use small robots! This richly illustrated guid..
$26.40 $30.00
Sewable CR2032 Battery Holder
This battery holder is by far the easiest way to add a battery to a small wearable project. By coinc..
$1.45 $1.49
Small push-pull solenoid
Solenoids are basically electromagnets: they are made of a big coil of copper wire with an armature ..
$7.70 $9.99
Small Reduction Stepper Motor - 12VDC 32-Step 1/16 Gearing
This is a great first stepper motor, good for small projects and experimenting with steppers. This u..
$3.85 $4.95
Small Reduction Stepper Motor - 5VDC 32-Step 1/16 Gearing
This is a great first stepper motor, good for small projects and experimenting with steppers. This u..
$3.85 $4.95
SOIC to DIP Adapter 20-Pin
This is a low-cost, basic SOIC breakout boards. This custom PCB will interface a standard SOIC packa..
$1.45 $1.49
SOIC to DIP Adapter 28-Pin
Low-cost basic SOIC break out boards. These are custom PCB boards that interface standard SOIC devic..
$1.45 $1.49
Solar Charger and Battery Pack - 3500mAh
This solar charged battery pack is the size of a cell phone but packs a 0.6W solar cell, charging ci..
$20.90 $24.99
SparkFun Inventor's Kit Guidebook
The full-color SparkFun Inventor's Kit Guidebook V3 contains step by step instructions of how to..
$1.35 $1.99
SparkFun Parts Box - LilyPad (magnetic)
Description: When you're working with e-textiles, you have a tendency to collect a lot of small ..
$3.30 $3.99
Step Up/Down Inverting Switching Regulator
DC to DC converter/regulator MC34063A. Has an input range of 3V to 40V, output switch current of up ..
$1.44 $1.49
Stepper motor - 200 steps/rev, 12V 350mA
A stepper motor to satisfy all your robotics needs! This 4-wire bipolar stepper has 1.8° per ste..
$10.79 $13.99
Super-bright 5mm IR LED (940nm)
Infrared LEDs are used for remote controls (they're the little LED in the part you point at your..
$0.95 $0.99
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..
$7.70 $2.95
Thermochromatic Pigment - Black (20g)
We’ve all seen toys and things that change color when you run them under warm water or heat th..
$9.90 $12.99
Tilt ball switch
The "poor man's" accelerometer! Tilt sensors are switches that can detect basic motion..
$1.90 $1.99
Tiny breadboard
This a tiny little breadboard...half the size of a half-size breadboard! Measures 1.4" x 1.6&qu..
$3.99 $4.49
TL431 - Voltage Reference
The TL431 is a three-terminal programmable shunt regulator diode. This monolithic IC voltage referen..
$0.04 $0.79
Triple Axis Accelerometer Breakout - ADXL361
The ADXL362 is a complete 3-axis MEMS acceleration measurement system that operates at extremely low..
$9.90 $14.95
Voltage Regulator - 3.3V
Basic voltage regulators in the TO-220 package. Perfect for low voltage 3.3V parts. These are the LD..
$0.55 $0.75
Voltage Regulator - 5V
Basic 7805 voltage regulators in the TO-220 package. A must have for basic 5V electronics. Why Regul..
$0.55 $0.89
Voltage Regulator - Adjustable
Basic voltage regulators in the TO-220 package. Adjustable regulator can be set from 1.25V up to 25V..
$0.55 $0.99
Voltage Regulator - BD10KA5W (500mA)
The BD10KA5W is a low-saturation regulator with an output voltage precision of ±1% between 1V..
$0.55 $0.99
Voltage Regulator - High Current LT1528
Fast transient response, very high current (3A), low quiescent current (125uA) surface mount voltage..
$6.60 $7.99
Wake on Shake
Have you ever wanted your project to just "hibernate" until someone picks it up or moves i..
$16.50 $24.95
Waterproof 3xAA Battery Holder with On/Off Switch
Keep your power source safe and toasty in these waterproof 3xAA battery holders. They're just li..
$3.09 $3.95