SparkFun 配件 These are small rare earth magnets - 0.25" 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 reed s

SparkFun 配件 This is a coin cell holder for the common CR2032 type battery. The holder has a neat pop-in pop-out feature that makes changing the battery easy. The feet of the holder have a small hole that allow it to be sewn without modification.

SparkFun 配件 Dip sockets for all your prototyping needs. If you've ever had to de-solder a dip part from a circuit board you know how valuable these are! Number of pins include: 8 14 16 18 28 and 40.This is a 300mil wide 8-pin socket.

SparkFun 配件 This is a PCB mount clip to hold a 18650 Lithium Ion Cell battery. Each battery holder is sold in single units you'll need two for each battery. These work great for larger high capacity applications where a drop-in rechargable cell is needed. Thes

SparkFun 配件 These are very thin variable potentiometers. By pressing down on various parts of the strip the resistance linearly changes from 100Ohms to 10 000Ohms allowing the user to very accurately calculate the relative position on the strip. Can be used as

SparkFun 配件 These crimping pliers allow you to easily make your own wiring harnesses using crimp pins and cable housings. We really like the quality and sturdiness of these crimp pliers. These pliers are capable of crimping very small 0.25 - 1.5mm crimp pins and

SparkFun 配件 This is a high quality switching 'wall wart' AC to DC 5V 2000mA Barrel Jack wall power supply manufactured specifically for SparkFun Electronics. These are switch mode power supplies which mean the output is regulated to 5V and the capable output cur

SparkFun 配件 The QRE1113 is a small IR reflectance sensor. This sensor is often used in line following robots because if it can sense if a surface is white or black.There are four pins on the QRE1113 - two control the IR emitting LED while the other two are the

SparkFun 配件 This is a simple LED-illuminated tactile button with a green cap. It's just like a basic tactile button but it lights up green! So now you can get visual feedback or light up your project. These have a 12mm body and are rated for 50mA. They don't e

SparkFun 配件 It's the end of the world and you need a button to press. This is it. A 100mm diameter (outside diameter) dome illuminated push button comes with an LED securing nut and a pre-installed long life horizontal microswitch. Button can also be adjusted

SparkFun 配件 Cherry MX Keyswitches are top-of-the-line mechanical keyboard switches. They re satisfyingly clicky reliable up to tens-of-millions of key presses and a standard in gaming and programming keyboards across the globe. This 'blue' version Cher

SparkFun 配件 TRRS connectors are the audio-style connectors that you see on some phones MP3 players and development boards. TRRS stands for "Tip Ring Ring Sleeve " which reflects the fact that unlike a standard stereo connector this actually has three condu