Eager to explore the interface between music and electronics, and the digital representation of music, we created RPiano: a portable, playable MIDI synthesizer on a Raspberry Pi Pico (RP2040). We developed RPiano over the course of four weeks as our final project for Cornell University’s course Digital Systems Design Using Microcontrollers. This article details our experience building RPiano.
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Build an Automated Fruit-Ripeness Detector
6 days ago
Banana Scan
Embedded systems can be tasked to do many things that are too tedious for humans. Watching fruit ripen is a good example. In this article, learn how these three Cornell students built a device that uses spectroscopy to track the ripeness of a variety of fruit, including bananas and oranges. The system uses a TFT display and a Microchip PIC32 MCU.
Topics Discussed
How to use spectroscopy to analyze fruit
How to control and XY plotter with a PIC32 MCU
How to implement reset functionality
How to program the scanning procedure