Patented technology by Spectra Symbol - they claim these sensors were used in the original Nintendo Power Glove. I love the Nintendo Power Glove. It's so bad!
Need to measure fluid levels? This eTape sensor is a solid state, continuous fluid level sensor ideal for non-nasty environments (but including water).
These sensors are simple to set up and great for sensing pressure, but they aren't incredibly accurate. Use them to sense if it's being squeezed, but you may not want to use it as a scale.
Simple breakout board for the SparkFun MQ-3, MQ-4, MQ-6 and MQ-7 gas sensors.
Small electret microphone. Useful in acoustic and audio applications, voice recordings.
We've had an eye on this Vishay sensor for a while - smart, tidy, and small. Thanks to SparkFun for breaking it out so you can use this to measure ambient light, and physical proximity in a single sensor!
This V.Torch VTGPSIA-3 embedded antenna is designed to mate with GPS units with a IPEX/MMCX connector.
A hand-held GPS that YOU build, and fulfills a different task - no map display, just a pointer for which way to go! Use the Coobro Geo to help you find geocaches, store and navigate between hot fishing spots, or simply find your car after a hike.
Magnet mount antenna for GPS modules operating at 3V. Designed for use with automobiles - the magnet will hold the antenna in place at speeds greater than 100mph. 5 meter cable terminated with standard male SMA connector.