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This version of the QRE1113 breakout board features a digital output, using a capacitor discharge circuit to measure the amou…
This is a red insulated binding post. These binding posts *do* accept banana plugs, and are a great way to connect single-wir…
This is a black insulated binding post. These binding posts *do* accept banana plugs, and are a great way to connect single-w…
LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. …
The FTDI cable is a USB to Serial (TTL level) converter which allows for a simple way to connect TTL interface devices to USB…
This is a small force sensitive resistor. It has a 0.16" (4 mm) diameter active sensing area.
This very long force sensitive resistor - over 2 feet - has a sensing area of 0.25x24".
Sharp's GP2Y1010AU0F is an optical air quality sensor, designed to sense dust particles. An infrared emitting diode and a pho…
This is a time saving kit of 140 jumper wires - cut, stripped, and pre-bent for your prototyping pleasure.
This is a simple SPDT slide switch - great for use as an ON/OFF button, or just as a general control switch. The pins are spa…
This is a stereo amplifier kit designed to make use of the [STA540](http://www.sparkfun.com/commerce/product_info.php?product…
This is a 5g syringe of white heatsink compound (aka thermal grease, thermal paste, thermal goo). Use this whenever you're co…
This is a basic, 4-digit 7-segment display - red in color. It has a common anode. The display features one decimal point per …
This is a basic, 4-digit 7-segment display - green in color. It has a common anode. The display features one decimal point pe…
This is a basic, 4-digit 7-segment display - blue in color. It has a common anode. The display features one decimal point per…
**Description**: Ever wonder what goes on inside these things? Well this clear bread board might enlighten. Beyond the cl…
This is a breakout board for Honeywell's HIH-4030 humidity sensor. The HIH-4030 measures relative humidity (%RH) and delivers…
This version of the QRE1113 breakout board features an easy-to-use analog output, which will vary depending on the amount of …
Melexis' MLX90614ESF-BAA is an infrared thermometer designed for non-contact temperature sensing. An internal 17-bit ADC and …
This is an interface cable for the [Bus Pirate](http://www.sparkfun.com/commerce/product_info.php?products_id=9544), designed…
This beefy heatsink is designed to dissipate a lot of heat! The 6400BG heatsink fits TO-220, TO-218, TO-247, and Multiwatt pa…
This 2xAA battery holder puts a nice finishing touch on your battery powered project. This holder features a removable, slidi…
This simple cable has so many uses! Plug the 9 volt battery clip onto a standard 9V battery and connect the other end to anyt…
The STA540 from STMicro is a 4-channel, [class AB](http://en.wikipedia.org/wiki/Electronic_amplifier#Class_B_and_AB) audio am…
This is a replacement soldering tip for our [30W Soldering Iron](http://www.sparkfun.com/commerce/product_info.php?products_i…
This is a breakout board for the [L298N](http://www.sparkfun.com/commerce/product_info.php?products_id=9479) full-bridge dual…
The BPW34 is a tiny, general purpose [PiN photodiode](http://en.wikipedia.org/wiki/PIN_diode). This photodiode has a ton of u…
The QRE1113 is a small IR reflectance sensor. This sensor is often used in line following robots because, if it can sense if …
Looking to add MIDI to your project? This is a female, 5-pin, right-angle DIN 5/180? connector which will interface with most…
This is a right-angle, 24-pin Molex Mini-Fit Jr.™ connector, commonly used as the power supply connector on [ATX](http://en…
This is a very simple fixed temp, quick heating, 30W 110/120 VAC soldering iron. We really enjoy using the more expensive iro…
This is a simple, thumbnail-size RFID tag. These tags are great for sensing presence, identification, etc., and they're small…
This is a glass, cylindrical RFID tag; it's very similar to those [implanted into pets](http://en.wikipedia.org/wiki/Pet_chip…
We love heat shrink! We use it for all sorts of handy projects. Use it to reinforce connections, protect devices, and electri…
This is a simple soldering iron stand composed of a heavy-duty metal base and a reinforced spring holder. The base and holder…
The LN298 is a high voltage, high current, dual full-bridge motor driver designed to accept standard TTL logic levels and dri…
This is a 3-terminal microswitch, with a small push-button. This switch has a great 'clicky' sound to it, and a nice tactile …
This is a SparkFun exclusive! These are 12" long, 26 AWG jumper wires terminated as male to male. Use these to jumper from an…
This is a unique board recommended by a SparkFun customer. When playing with microSD, you sometimes need to view what the SPI…
This is a simple-to-use compressed natural gas (CNG) sensor, suitable for sensing natural gas (composed of mostly Methane [CH…
This is a simple-to-use liquefied petroleum gas (LPG) sensor, suitable for sensing LPG (composed of mostly propane and butane…
This is a simple-to-use Carbon Monoxide (CO) sensor, suitable for sensing CO concentrations in the air.
This is a SparkFun exclusive! These are 12" long, 26 AWG jumper wires terminated as male to female. Use these to jumper from …
