This paper describes a student design workshop conducted in the Electrical and Computer Engineering (ECE) Department at the University of Minnesota Duluth (UMD) in which students implemented microcontroller applications using the principles of Fuzzy Logic as contained in the features of the MC68HC12 microcontroller. This workshop provided students with a unique opportunity to merge their academ...

In this work, a microcontroller based circuit that performs the functions of an inverter /AVR hardware essentially consists of a PIC 16F877A microcontroller based circuit,. SG 3524 based modified sine-wave inverter driver circuit, a step-up. Modified sine wave inverter is designed to using pic microcontroller and push pull topology. output of control circuit for modified sine wave inverter The ...

A microcontroller based advanced technique was designed and developed to protect the house hold appliances, such as water-pump from fluctuation of line voltage. This device was tested with upper and lower cutoff voltages set at ±10% of the normal supply voltage (220V, AC) and with an over-load current up to 10A. The current sensor’s output was monitored by the PIC12F675 microcontroller and used...

Interpretation of Microcontroller Code: Intervals Meet Congruences Jörg Brauer, Andy King, Stefan Kowalewski Embedded Software Laboratory, RWTH Aachen University, Germany Portcullis Computer Security Limited, Pinner, UK Abstract Bitwise instructions, loops and indirect data access present challenges to the verification of microcontroller programs. In particular, since registers are often memory...

We propose handling of external real time events through multithreading and describe the microarchitecture of our multithreaded Java microcon troller called Komodo microcontroller Real time Java threads are used as interrupt service threads ISTs instead of interrupt service routines ISRs Our proposed Komodo microcontroller supports multiple ISTs with zero cycle context switching overhead We eva...

This paper presents a new hardware interface using a microcontroller which processes audio music signals to standard MIDI data. A technique for processing music signals by extracting note parameters from music signals is described. An algorithm to convert the voice samples for real-time processing without complex calculations is proposed. A high frequency microcontroller as the main processor i...

PIC 18F series microcontroller is used for control of signals to a specific time using port lines. In this contest we choose the Bicolor LEDs with Red and Green. The colors of the signals are illuminated by programming in the microcontroller. The aim of this paper is to generate three colors on a single traffic light instead of using three different color traffic signal lights. The purpose of t...

This application note discusses some of the hardware and software design decisions and shows how to select external components for a multi-cell Li-ion battery pack using a microcontroller and the ISL9208 analog front end. A microcontroller provides the primary control of the operation of the battery pack. However, several factors in the multi-cell series Li-ion pack require the use of circuitry...

This paper describes an integrating hardware and software ensemble for the development of microcontroller-based computer numerical control system. The discuss is focused on design and implementation of the communication between the PC and a numerical control machine. Among topics covered are: the C#/.NET serial port programming, and further, how to create a Windows application for sending, trou...