Webcam frame difference and BG subtraction

 

Project1 
OPEN ALEX’S MIND

We often encounter difficulty in opening other’s minds as it is firmly locked. It may seem extremely difficult, but going through certain steps of effort, you’ll see others opening up their mind.

“Open Alex’s mind” is an interactive combination lock that represents four steps of how we can open up other’s minds.

Project video

Combination lock and seial monitor

Step1. Knock knock
In this step, the user has to knock Alex’s mind, which is the very first step to approach Alex

Interaction: Push button twice to light up the LED

Step2. Open all ears to what Alex is saying
In this step, the user has to listen carefully to what Alex is saying. Listening to others and analyzing other people’s thoughts is not a simple task. The user has to solve the puzzle by getting a hint from the text.

Hint: “Walk close to hear what I’m saying, and walk away. Again come close by and stay in the middle where we have certain distance between us”


Interaction
: Adjust the potentiometer back and forth, and halfway to the middle (min → max → min → mid) 

Step3. Give warmth to broken heart
In this step, the user has to make sure that Alex feels hear-warming and happy. Though this is not an easy task, and the user has to solve the puzzle by getting a hint from the text.


Hint: “I felt warm before my heart froze and broke. Now I need some warmth to be happy again.”

Interaction: Change the temperature of the thermal sensor using an ice pack and hand or lamp. The status should be warm → cold → warm.

Step4. Show love for the box, Alex
In this step, the user has to give Alex a big hug


Interaction: Hug the sides of the box, so that FSR value can go up and get activated

Schematics

Code

Difficulties faced

a
to be continued