frequency

Interfacing and Communicating with the 68HC05/705 Microcontroller Family

This document provides information necessary to interface the Andromeda Research EPROM+ programming system to certain members of the Motorola 68HC05/705 microcontroller family. The interface is accomplished using the ACOM1 adapter by uploading a small communication program into the RAM area of the 68HC05 device. Once uploaded, the program establishes a communication link between the 68HC05 […]

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Audio Spectrum Analyzer

We developed an audio spectrum analyzer as our final project for ECE 4760. This analyzer presented a histogram-style representation of audio signals. We successfully achieved real-time display of the audio signal’s frequency spectrum using a monochromatic histogram layout, where bins extended from left to right, representing low to high frequency ranges. Our system was built

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Frequency Counter by PIC16F628

In this project we are building a basic and low cost frequency counter circuit . It can measure from 16Hz to 100Hz signals with a maximum amplitude of 15V. The sensitivity is high, the resolution is 0.01Hz. The input signal can be a sine, a square or a triangle waveform. The counter can be used

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Frequency Meter Using Microcontroller

This tutorial simply states how to calculate frequency of a pulse source using a microcontroller. Story This tutorial simply states how to calculate frequency of a pulse source using a microcontroller. A high voltage level of pulse source is 3.3 V and low is 0V. I have used STM32L476, Tiva launchpad, 16×2 alphanumeric LCD some

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Voltage, Temperature & Frequency Meter With PIC Micro controller

Features… Voltage, Temperature and Frequency can switching to each others using push buttons. Voltage Meter can measure DC voltage between 0v to 50v. Frequency Meter can measure frequency up to 65KHz. Temperature Meter can use between 00C to 1500C. Every functions can paused using push button. Instructions… Voltage meter – Volt meter can measure dc

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Speech Recognition Eye Test

For our final project we implemented a speech recognition eye test that is capable of performing the entire Snellen eye test on its own. It starts by displaying large letters and waits on the user to guess which letter has been displayed. The user speaks his/her guess into the microphone. The speech recognition portion uses

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Full System showing PIC32 touchscreen and interfaces at start up

Automatic Signal Transformer and Custom Filter Designer

This laboratory aims to implement a custom filter designer on the PIC32 microcontroller for the purpose of real time signal transformation. The project gets its premise out of the frequent requirement for arbitrary digital signal filters in a laboratory setting. For a video of our lab demo please see Project Demo A user is given the

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Infrared Camera on the PIC32

Introduction The purpose of this project was to create thermal images displayed on the TFT screen of the PIC32 using data inputted through a thermal camera. A thermal image is an image where the colors are representative of the amount of heat radiated by that location. We used a FLIR Lepton Camera that takes frames

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PIC32 Digital Synthesizer

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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Programmable IR Station

Introduction The programmable IR remote controller is an IR remote control platform based on PIC32 that can record and resend the Infrared signal. To help users control programmable IR remote controller, an infrared wave server related to database and website is implemented in this project. Bluetooth module creates a bridge between PIC32 and server side

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