1. 1. PsychoPy Analysis’ url: http://www.psychopy.org/api/ microphone.html ‘
   2. Microsoft health watch ‘url: http://bits.blogs.nytimes.com/ 2014/11/02/microsofts-new-fitness-tracking-device-is-a -welcome-surprise/
   3. Open CV Analysis and studies ‘url: http://www.opencv.org’
   4. Arduino connected with Raspberry Pi: ‘http://www.instructables.com/id/The-Raspberry-Pi-Ar duino-Connection/step6/Software-Part-1-Arduino-send s-data-to-Pi/’
   5. Jasper audio recognition: ‘http://jasperproject.github.io/’
   6. Genetic Algorithm and Neural Network for Face Emotion Recognition, M. Karthigayan, M. Rizon, R. Nagarajan and Sazali Yaacob, School of Mechatronics Engineering, Universiti Malaysia Perlis (UNIMAP), 02600 Jejawi, Perlis, Malaysia
   7. Classification of Human Emotions from Physiological signals using Machine Learning Algorithms,Eun-Hye Jang, Byoung-Jun Park, Sang-Hyeob Kim, Myoung-Ae Chung BioHeath IT Convergence Research Department, IT
   8. Pulse Sensor url: ’ http://pulsesensor.com/pages/code-and-guide’