This load sensor, sometimes called a strain gauge, is the same one found in digital bathroom scales (you know, the ones you use in January for your New Year\'s resolutions, and then forget about a month later). This sensor can measure up to about 110 pounds. Check the video below for a simple explanation on how these work and how to use them.
**Documents:**
* [Specifications](http://www.sparkfun.com/datasheets/Sensors/loadsensor.pdf)
* [Getting Started with Load Cells](https://learn.sparkfun.com/tutorials/getting-started-with-load-cells)
* [HX711 Breakout Hookup Guide](https://learn.sparkfun.com/tutorials/load-cell-amplifier-hx711-breakout-hookup-guide)
* [Load Sensor Tutorial](http://www.nerdkits.com/videos/weighscale/) (NerdKits)