Hey kids! We are now ready to have some fun! Now let us learn how to make a flex sensor for yourself! It is an exciting project that will give you an insight into how fun wearables work. These devices can do a lot of things and among those is to track your movements! Therefore, let’s get this started and let’s have a lot of fun implementing this project together.
First, let’s go over what flexible circuits are. Flexcircuits are a unique type of circuit board that can be bent and twisted without damage. It’s sort of like a piece of paper you can fold and it won’t tear — it’s similar! There are a lot of reasons these circuits rock. They are lighter than average circuit boards, making them much easier to wear. They also are smaller and compact, which helps to make them ideal for wearable devices. Also, they are robust and can endure a lot of use without getting broken. The significance of flexible circuits — not just for the ability to fabricate impressive wearables.
Now that you know exactly what a flexible circuit is, here’s how to make a device that records your motion. This is where it gets super interesting! Here’s a list of what you’d need to collect before getting started:
Let’s start with the flex sensor. It has a special sensor that can detect when it is bent or flexed. It does this by having two pieces: one piece remains motionless, while the second piece is kept in motion. However, when you bend the sensor, the two pieces draw nearer, and this change provides feedback to the device that there is movement. It’s almost like magic!
To do this first he will need to connect the flex sensor to the Arduino board using the jumper wires. You should always need to wire a brick to decrease the voltage coming into the sensor. It's a very important step because it serves to avoid damaging the sensor. We want our dauer Sensor!
Let’s break out the Arduino board to the breadboard. Another important piece detecting movement is an accelerometer which will also be attached to a breadboard. The accelerometer is like the eyes of your device—it does a good job at seeing when you make a motion!
Now, it’s time to program your device to do what you want! In this case, you want it to follow you around. When they are in motion use the accelerometer get the flex sensor wear the device. This is where you can get creative!
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