http://www.aroboto.com/shop/goods.php?id=369

http://w1.cpu.com.tw/cgi-bin/hse/HomepageSearchEngine.cgi?url=http://w1.cpu.com.tw/kh/i/vct/svc.html;geturl=d+highlightmatches+gotofirstmatch;terms=%BBy%AD%B5;enc=%E8%AA%9E%E9%9F%B3;utf8=on;lang=zh-tw#firstmatch

http://www.playrobot.com/sensor/sensor_lilypad&biosensor_biosensor.html