After we modified the statement of purpose and background research, we get our project approved by the TA. With the instruction of the TA, we changed the accelerometer sensor on the top of the device to ultrasonic sensor, which basically detects the distance between the sensor and the laptop. Initially, we mistakenly believed that accelerometer sensor detects the acceleration of the thing being monitored, which was not correct. 

The TA also reminded us to come up with more possible challenges, and to add this schedule to our wiki page.

In addition, we also improved the block diagram.

Next week we will do more research on our project, finalize the parts list, collect and order parts needed, and finish our low level design.