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Neopixel - an Interactive Pixelated Visual Exhibit

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March 03, 2024

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Week 1

February 05, 2024

For our project, we were originally inspired by Daniel Rozin's kinetic art pieces. We wanted to create something that was interactive, initially intending to use motors and wooden panels to create a display that made images usinglight and shadows. After researching ways to do this project, we came to realize that it was unrealistic to complete within the given timeframe, as too many motors would need to be used. We consulted with our supervisor to change our project to a LED Mirror, which uses Neopixel LEDs and a camera to see an image in real time, lighting up corresponding LEDs in the matrix to create an image of the person in front of the camera. As the LEDs we are using are Neopixel ones, each LED within the matrix can be individually addressed. For this project, our inspiration came from a youtube video by the youtube channel SuperMakeSomething, titled Giant Neopixel LED Mirror. In the first week of the project, our group attended our first lab session and had two meetings: on...

Week 2

February 13, 2024

During this week, our group met 4 times, attending two lab sessions. In the lab sessions, we glued all the LEDs to the backboard and began using wires to connect each LED strips’ data input and output. The connections were done by soldering wires to each strips’ data input/output points. We also started to work on the software of our project, setting up the Raspberry Pi and testing the Pi camera and LEDs. To test the Pi camera, the PiCamera library was imported into the code and used to preview the camera and take pictures and videos. During the testing of the LED strips, we encountered a few problems. In order for the LEDs to be controlled by the code, the Neopixel library had to be downloaded, which required an internet connection. This was an issue because the Raspberry Pi was unable to connect to the University WIFI. To counter this issue, we used a phone hotspot to connect to the internet while downloading the Neopixel library. After successfully installing the library...