SparkFun Alligator Test Leads - Multicolored (10 Pack) Hook Up, Wire Wheels & Tires You can use these for

You can use these for tap or knock sensors pretty easily by reading the voltage on the output

The Fio has been designed to be wirelessly reprogrammable

On-Board micro-USB connector for programming

9VDC and a max forward current of 20mA

fashioning your own motors or just playing with electromagnetism in general

SparkFun Alligator Test Leads - Multicolored (10 Pack) Hook Up, Wire Wheels & Tires You can use these forAlligator clips (or Crocodile clips, if you prefer) are likely to be the most useful thing on your workbench besides the workbench itself. Whether youre just trying to make a few quick connections to test your circuit or having trouble making your multimeter leads stay where you need them, these spring loaded clips are a workshop must have. Each lead in this pack of tern is 50cm long with a rubber shrouded alligator clip on each end. There are five