有使用的优酷视频可供参考，请复制到浏览器观看：http://picimg.witcp.com/pic/v.youku.com/v_show/id_XOTIwMTI2Nzg0.html@qq-pf-to=pcqq.c2c
配套电路模块：
传感器输出的是电阻信号，如需获取电压信号（输出可以是0-3.3V或者0-5V），可以选购我们配套电路模块：
http://shen.witcp.com/shop/c87/td5888bce9a8.html
Force Sensitive Resistor - Square压力感应电阻
Force Sensing Resistor是著名Interlink Electronics公司生产的一款重量轻，体积小，感测精度高，超薄型电阻式压力传感器。这款压力传感器是将施加在FSR传感器薄膜区域的压力转换成 电阻值的变化，从而获得压力信息。压力越大，电阻越低。其允许用在压力0g-10kg的场合。可用于机械夹持器末端感测有无夹持物品，仿生机器人足下地面 感测，哺乳类动物咬力测试生物实验，应用范围及其广泛。但是由于压力检测不是非常精确，不能达到电子秤的效果，请对精密仪器要求的客户慎买。
体积小 感测精度高
产品参数：
背面自带粘胶，容易使用
Description:
This is a force sensitive resistor with a square, 1.75x1.5", sensing area. This FSR will vary its resistance depending on how much pressure is being applied to the sensing area. The harder the force, the lower the resistance. When no pressure is being applied to the FSR its resistance will be larger than 1MΩ. This FSR can sense applied force anywhere in the range of 100g-10kg.
Two pins extend from the bottom of the sensor with 0.1" pitch making it bread board friendly. There is a peel-and-stick rubber backing on the other side of the sensing area to mount the FSR.
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.
相关文件下载：（复制链接到浏览器）
- FSR Integration Guide
http://picimg.witcp.com/pic/www.sparkfun.com/datasheets/Sensors/Pressure/fsrguide.pdf
- Bildr Tutorial
http://picimg.witcp.com/pic/bildr.org/2012/11/force-sensitive-resistor-arduino/
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