Sparkfun

This is a 12-step rotary encoder with a nice \'clicking\' feel. It\'s breadboard friendly, and has a pretty handy select switch (by pushing in on ...

A simple slide potentiometer can go a long way. Rated at 10kOhm and 0.5W. Comes with solder tab connections. The taper profile for this slide can ...

Atmel\'s ATmega328P 8-Bit Processor in 28 pin DIP package. It\'s like the ATmega168, with double the flash space. 32K of program space. 23 I/O lin...

This is a joystick very similar to the \'analog\' joysticks on PS2 (PlayStation 2) controllers. Directional movements are simply two potentiometers...

This is your standard fridge magnet, perfect for holding up quite a bit of weight. Grade C8, ceramic disk magnet. Magnetization is throughout the t...

Huge 10mm through-hole LEDs. Mood light an entire wall! **Features:** * 625-630nm Red * 2.1-2.3VDC Forward Voltage * 80mA Forward Current ...

Huge 10mm through-hole LEDs. **Features:** * 515-520nm Green * 3.0-3.4VDC Forward Voltage * 80mA Forward Current * 30 degree viewing angl...

Huge 10mm through-hole LEDs. Mood-light an entire wall! **Features:** * 465-470nm Blue * 3.0-3.4VDC Forward Voltage * 80mA Forward Current...

This is a black plastic bezel, custom made to mate with the silicon rubber pads. Black 1/8\" ABS plastic. Using two of these bezels with two of th...

This is a black plastic bezel, custom made to mate with the silicon rubber pads. Black 1/8\" ABS plastic. We use four 4/40-0.5\" size screws matche...

Miniature surface mount momentary button. These are great, low-profile momentary switches. Perfect as a tactile reset switch. Rated up to 50mA. ...

This is a simple 5mm LED with an interesting array of applications. This [UV](http://en.wikipedia.org/wiki/Ultraviolet) LED can be used for counter...

These are very small rare earth magnets - 0.125\" cubed. Composed of Neodymium/Iron/Boron (NdFeB), these magnets are curiously strong and make for...

This is a small device called a [reed switch](http://en.wikipedia.org/wiki/Reed_switch). When the device is exposed to a magnetic field, the two f...

The MCP3002 has a 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have a...

Small electret microphone. Useful in acoustic and audio applications. **Documents:** * [Datasheet](http://cdn.sparkfun.com/datasheets/Sensor...

This is a simple, subminiature size, axial lead mounted rectifier diode. Often used for reverse voltage protection, the 1N4001 is a staple for man...

This is a very common signal diode - 1N4148. Use this for signals up to 200mA of current. **Documents:** * [Datasheet](https://www.diodes.co...

BlinkM is a “Smart LED”, a networkable and programmable full-color RGB LED for hobbyists, industrial designers, prototypers, and experimenters. It ...

This is a very common 22pF capacitor. Used with crystals for loading purposes. 0.1\" spaced leads make this a perfect candidate for breadboarding ...

Your basic 7-segment LED. Common anode. Two decimal points, but only the one on the right is wired. Digit height is 0.6\". Overall height is 1\" ...

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...