A couple of weeks ago, we built a light theremin, you can see a more sophisticated one in action here. The basic idea was that by using a light dependent resistor(LDR), a piezo buzzer and some code we could create sound by using the movement of our hands.
How it works is that the LDR measures the intensity of the surrounding light. The reading of the intensity of light changes if we cast shadows on the LDR using our hands. By using some nifty code and an electrical charge, we can translate those changes in light into the changes in pitch that the piezo buzzer makes.
The wiring on this project was a little simpler than the preceding week but the code was a little harder. We introduced the concept of calibrating our Arduino before the program was initiated, we learned how to create several variables in our code, and we learned about the map and tone functions.
It was lots of very very very noisy fun.
Welcome to Code Redlands
Code Redlands is a coding and robotics program dedicated to creating a an environment where we can explore, learn and create. With Digital Literacy a new focus for the future, we want to augment digital literacy skills by offering space, technology, and facilitators. We hope to equip the next generations of Queenslanders with STEAM (Science Technology, Engineering, Art & Mathematics) skills to find their own place in an increasingly digital world.