Introduction Our final project for ECE 4760: Digital Design Using Microcontrollers is a portable keyboard digital synthesizer using the PIC32MX250F128B microcontroller. The PIC creates various sound effects using direct digital synthesis (DDS) and frequency modulation (FM) synthesis which can be modified using user input on our keyboard’s easy-to-use user interface (UI). Our synthesizer is also […]
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Introduction Our ECE 4760 final project was an image plotting system with high-level processing done in a MATLAB script we wrote and the low-level control software done on the PIC32MX250F128B microprocessor. Our MATLAB program takes images and extracts endpoints of line segments and sends the coordinates over to the PIC32 via UART serial communication. The
Introduction For this project, we constructed an oscilloscope using the PIC32. The inspiration for this project came from the oscilloscopes we used in lab throughout the semester. These oscilloscopes allowed people to view and understand the behavior of a circuit. Without oscilloscopes, many of the circuits we built in class would have been extremely difficult
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INTRODUCTION Sometimes it is difficult to judge the ripeness of fruit visually, or we simply forget about our fruits until they are rotten. By using spectroscopy to monitor the change in the color of fruits, this device can track the ripeness of a variety of fruits including bananas and oranges. The system consists of a
This post answers the question, “How to capture a pulse to generate an interrupt in PIC16F877” ? Also, using PIC16 simulator (Proteus) you can verify this external interrupt code and change it according to your needs. This code is written in C language using MPLAB with HI-TECH C compiler. You can download this code from the
PIC16F877 external interrupt code and Proteus simulation Read More »
This post answers the question, “How to use interrupt based UART in PIC16F877” ? Also, using PIC16 simulator (Proteus) you can verify this UART code and change it according to your needs. This code is written in C language using MPLAB with HI-TECH C compiler. You can download this code from the ‘Downloads‘ section at the bottom
PIC16F877 UART code and Proteus simulation Read More »
THE INTERSECTION OF MUSIC WITH TECHNOLOGY CAN CREATE ENTIRELY NEW WAYS TO PRODUCE OR EXPERIMENT WITH MUSIC. THE RECENT HISTORY OF MUSIC HAS TAKEN ADVANTAGE OF THIS TO AUGMENT EXISTING INSTRUMENTS AND MODIFY THEIR SOUND, OR IN THE CASE OF SYNTHESIZERS, TO PRODUCE ENTIRELY NEW AUDIO EFFECTS. OUR PROJECT WAS INSPIRED BY THE NOTION THAT
This post provides the ADC code using PIC16F877 microcontroller. This code is written in C language using MPLAB with HI-TECH C compiler. You can download this code from the ‘Downloads‘ section at the bottom of this page. It is assumed that you know how to interface LCD with PIC16F877 microcontroller. If you don’t then please read this
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Introduction In this project, I have created a musical synthesizer with the ability to generate realistic instrumental sounds and to record songs for playback with harmonization. Controlled by a PIC32 microcontroller, the synthesizer has over a full octave of buttons, laid out like a piano, to allow playing notes and making chords. It combines additive
Distributed PIC Synthesizer Read More »
Introduction For our final project, we built a system to aid in practicing kendo sword strikes by providing feedback to a kendo practitioner for improving their form. A set of three piezoelectric sensors on a helmet were used to detect the location and strength of the strike. Thus, the set of piezoelectric sensors would help
ECE 4760 Project: Kendo Sword Trainer Read More »
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