Sparkfun

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excellent LED current limiter...

This is a very common 0.1uF capacitor. Used on all sorts of applications to decouple ICs from power supplies. 0.1\" spaced leads make this a perfe...

1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in PCBs and perf boards, these 10K resistors make excellent pull-ups, pull-downs, and cur...

This is a handy little device that can save your system from smoking. A resettable fuse (also known as a [PTC](http://en.wikipedia.org/wiki/Positi...

This is a small ambient light sensor that acts as an NPN transistor. The more the sensor is exposed to light, the stronger the base bias. Simple to...

These are *very* bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictures to get an idea of ...

Surface mount 3-way switch. These switches are commonly found on handheld devices like MP3 players. This switch allows the user to navigate using u...

DIP switches with 8 individual switch positions. The pins have .1" spacing - fits great into a breadboard! Works great as general control switches...

This a simple breakout PCB for our [4x4 silicone button pads](https://www.sparkfun.com/products/7835). Each LED and button can brought out to the ...

This is a small 12mm round speaker that operates around the audible 2kHz range. You can use these speakers to create simple music or user interfac...

This is the very popular RGB combo but in SMD form. These units have four pads with a common anode configuration. Use this one LED for three statu...

This is a translucent silicon rubber button pad with 4 buttons orignally inspired by the folks at [monome.org](http://monome.org). Each button has...

This is a translucent silicon rubber button pad with 16 buttons originally inspired by the folks at [monome.org](http://monome.org). Each button ha...

Yes you read that correctly - 10Farad capacitor. This small cap can be charged up and then slowly dissipated running an entire system for hours. C...

Nordic Semiconductor nRF24L01+. Transceiver chip operating in the 2.4GHz band. Take all the coolness of the nRF2401A and add some extra pipelines,...

The ever-popular FTDI USB to UART IC now comes with built-in EEPROM and built-in oscillator! This IC comes in a 28-pin SSOP package and can be sol...

Surface mount DPDT switch for those tight portable designs. Capable of switching up to 1.2VA (360mA at 3.3V and 240mA at 5V). **Documents:** ...

This is a 1A Adjustable SOT-223 voltage regulator capable of outputting 1.2V to 18V. The LM1117 uses the same pin-out and setup as the popular LM3...

The \'must have\' IC for 3V projects. This is the RS232 converter IC that is capable of running at 3V and communicating with 3V logic. Comes in an ...

Standard \'Watch\' or Real-Time-Clock crystal. 32.768kHz means it is precisely half of a 16-bit counter. Start counting at 0x8000 (or 32768). When...

Standard frequency crystals - use these crystals to provide a clock input to your microprocessor. Rated at 20pF capacitance and +/- 50ppm stabilit...

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very stan...

LEDs - those blinky things. A must have for power indication, pin status, opto-electronic sensors, and fun blinky displays. This is a very stand...

These are *very* bright LEDs. The LEDs are so bright that it hurts to look directly at them. Please take a look at the pictures to get an idea of ...