Step 2 : Testing Muscle Sensor
The first sensor worked for a while, but after soldering, it burned out.
I bought a second muscle sensor.
The second sensor worked for 30 minutes, but after soldering, it burned out too.
Step 3 : Webcam -- Psmile Processing
Using Processing to call the Psmile Library
This Processing Library was too sensitive and not very reliable.
Step 3: Webcam -- Clmtracker
Call the Clmtracker library in P5.