Tools & Supplies

SparkFun Accessories Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore they can be used to either warm something up or cool something down depending on which side you use. Y

SparkFun Accessories Sometimes when you have too many choices it's hard to make a good decision. In fact there are times when you just want a bag of LEDs just one of each that's all you want. Well too bad you are getting two of each! The LED Rainbow Pack contains tw

SparkFun Accessories These are very small rare earth magnets - 0.125" cubed. Composed of Neodymium/Iron/Boron (NdFeB) these magnets are curiously strong and make for a great way to attach tools to a metal workbench hold small children to a fridge and as a trigger for

SparkFun Accessories 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"Documents:Datasheet Arduino Library (Thanks Derek!)

SparkFun Accessories This is a simple 3.5mm TRS stereo audio jack with a screw-on plastic shroud. These are great for projects that plug into headphone jacks. Stereo plugs can also be used for carrying serial comm connections! The outer shell unscrews to reveal solder te

SparkFun Accessories Electrolytic decoupling capacitors 100uF/25V. These capacitors are great transient/surge suppressors. Attach one between the power and ground of your project to ensure smooth power delivery. High quality radial electrolytic capacitors.

SparkFun Accessories LEDs - those blinky things. A must have for power indication pin status opto-electronic sensors and fun blinky displays.This is a very basic 5mm LED with a blue lens. It has a typical forward voltage of 3.4V and a rated forward current of 30mA.Fea

SparkFun Accessories A solid state relay (SSR) allows you to control high-curent AC loads from lower voltage DC control circuitry. Solid state relays have several advantages over mechanical relays. One such advantage is that they can be switched by a much lower voltage a

SparkFun Accessories Rocker Switch SPST (right-angle)

SparkFun Accessories This is a single pole 10 position rotary switch able to select up to 10 different states in a durable package. Unlike our other rotary switch this model is much more robust and capable of handling larger currents and voltages. You may find this rot

SparkFun Accessories This is a perfect choice if you are in need of a heavy duty push button! These metal push buttons are a very tough small panel-mount latching switch with an illuminated green LED ring. It is a SPDT with 16mm threading and 1mm pitch. This button is

SparkFun Accessories Amphenol FCI Clinchr Conn. (2 POS,M)