Track My Order
Frequently Asked Questions
International Shipping Info
Send Email
added to your cart!
CR2032 Lithium metal 3V 250mAh button cell battery. Great for powering low power processors or blink an LED for weeks at a ti…
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…
Single row of 40-holes, female header. Can be cut to size with a pair of wire-cutters. Standard .1" spacing. We use them exte…
Faster, cheaper, smaller, better, right? The SN754410 Quad Half H-Bridge is just that. Capable of driving high voltage motors…
USB Type 'B' Female connector. The 4 connection pins have .1" spacing allowing it to be inserted into development boards and …
The smallest and easiest to use serial conversion circuit on the market! This board has one purpose in life - to convert RS23…
Do you need *a lot *of space? But you need it in the size of your pinky nail? microSD (uSD) is here to save the day. TransFla…
USB Type 'Mini-B' Female SMD connector. This is a 5-pin Mini-B surface mount connector commonly found in MP3 players, media/d…
Here is a very simple breadboard power supply kit that takes power from a DC wall wart and outputs a selectable 5V or 3.3V re…
Here is a six pin vertical 1.0mm pitch connector. It is useful if you need something very tiny as a connection. These are not…
These are very small surface mount quartz crystals used where size is a concern. Ideal for use with the nRF2401 ICs. …
2.4GHz Duck Antenna 2.2dBi with Reverse Polarized - SMA RF connector. Perfect for prototyping with our RF ICs. 50 ohm impedan…
A row of headers - break to fit. 40 pins that can be cut to any size. Used with custom PCBs or general custom headers.
Low-profile electrolytic decoupling capacitors 10uF/25V. These capacitors are great transient/surge suppressors and work well…
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. …
Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance a…
DC power jack/connector. This is a common barrel-type power jack for DC wall supplies. These are compatible with our DC wall …
Your first exposure to electrical engineering - the bread board. Who knew it would bring so much frustration? This is your …
8-Pin SSOP to DIP break out board. The footprint was rotated to accommodate different width SSOP devices and can be used with…
These are *very* bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictur…
Breakout board for the microSD socket that is not much bigger than your fingernail. Compatible with the SPI interface found o…
10K thermistor with a negative temperature coefficient. Good choice for temp-sensing applications when you need a reliable NT…
36" high temperature Type-K Thermocouple with glass braid insulation.
This is a classic 9V snap connector terminated with 2-pin polarized Molex connector with 0.1" spacing.
These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current …
Ever hear of a thing called RGB? Red, Green, Blue? How about an RGB LED? These 5mm units have four pins - Cathode is the long…
Embedded antenna for small, mobile applications. Basic unpackaged antenna with LNA. 5inch cable terminated with standard male…
This is a standard issue USB 2.0 cable. This is the most common A to B Male/Male type peripheral cable, the kind that's usual…
This is a fantastic find for SFE. A small, high-quality, quad-band, standard SMA terminated, cellular antenna. Specificat…
This is the basic L7805 voltage regulator, a three-terminal positive regulator with a 5V fixed output voltage. This fixed reg…
Simple SPDT slide switch. Rated at 30V/200mA. The pins have .1" spacing - fits great into a breadboard! Use it as a power swi…
These are very common, high quality BJT, PNP transistors made by ST Micro. Rated up to 200mA. **Datasheet:** [2N3906](http…
Infrared proximity sensor made by Sharp. Part # GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm…
This is the LM317TG voltage regulator, a three-terminal positive regulator with a 1.2V to 37V adjustable output voltage. This…
This sensor uses an infrared emitted diode combined with an infrared phototransistor to detect the reflected infrared signal.…
These are very common, high quality BJT NPN transistors made by ST Micro.
This is a small buzzer for the LilyPad system. Use 2 I/O pins on the LilyPad main board and create different noises based on …
A vibration motor! This itty-bitty, shaftless vibratory motor is perfect for non-audible indicators. Use in any number of app…
This is a SparkFun exclusive! These are 155mm long, 26 AWG jumpers with female connectors on both ends. Use these to jumper f…
Screw Terminals with 5mm pitch pins. Comes in 2 or 3 positions and have the really cool feature of slide-locking together to …
This is a SparkFun exclusive! These are 155mm long, 26 AWG jumpers with male connectors on both ends. Use these to jumper fro…
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excelle…
This is a very common 0.1uF capacitor. Used on all sorts of applications to decouple ICs from power supplies. 0.1" spaced lea…
This is a handy little device that can save your system from smoking. A resettable fuse (also known as a [PTC](http://en.wiki…
This is a small ambient light sensor that acts as an NPN transistor. The more the sensor is exposed to light, the stronger th…