Robotics Solution Project

The purpose of this project was to design a robot with limited set of tools that would enter a room, and move the dangerous chemical boxes in a limited amount of time. The scenario was of a building where toxic chemicals were stored and have been spilled. Any person to enter the environment would potentially be in fatal danger, so a robot had to be constructed in order to enter the environment, move as many of the chemical boxes into a specific safe-storage area. Time and robotic parts were the constraint for this project.

Multi-Stage Pipeline Processor

Verilog design project to devise, simulate, and test a pipelined microprocessor, constructed of simple and complex instructions. The objective of the project is to have students learn problem solving skills as well as creativity and logic skills while working with a partner in achieving a functional microprocessor.

Optical Signaling Device (remote control)

The purpose of this project is to build a simple optical signaling device, similar to remote control that lights a red or a green LED when different buttons are pushed. To switch the lights on and off, these signals have to be transmitted wirelessly through an optical signal. This circuit would be a simplified version of a VCR remote control.

• When either buttons are pressed, an optical signal should be sent through an infrared LED to produce a propagating infrared electromagnetic wave to a photo transistor.
• The circuit should operate properly at separations of the transmitter and detector of up to 2 feet.
• The circuit can use up to three different DC supply voltages.

Audio-Amplifier

The purpose of this design project is to construct an audio amplifying circuit, which would filter out designated frequencies. Some of the requirements for the circuit were that the mid-frequency voltage gain must be adjustable between 25 and 50 (28dB and 34dB). A potentiometer had to adjust the circuit gain within 5% of ideal requirements. When the audio amplifier has a gain of 50, the amplifier should satisfy these other requirements

Digital-to-Analog Converter

The objective of the design project was to desigh and build a 6-bit digital-to-analog converter (DAC) circuit using operational amplifiers. The input to the DAC would be a 6-bit digital signal using the decimal numerical range of 0 through 63. The analog output signal should remain in the range of 0V through -5V.

Analog-to-Digital Converter

The purpose of this project was to design and test a simple flash analog-to-digital converter circuit using operational amplifiers. The input voltage to the circuit would range from 1 to 1V. The output after conversion had to be a 3-bit digital number. The output bit number had to range between 0b000 when the input 0V to 0b111 when the input was 1V. Table 1 shows the logic conversion table.

To solve this problem we implemented a series of comparators in parallel to which we applied the same exact reference voltage to all of them. These comparators would then output the same voltage depending on the input voltage. After the comparator circuit, an 8-to-3 encoder circuit was built to encode the analog signal and transform it into a 3-bit digital signal.

In this programming project, we were responsible for writing a serial interpreter for the alarm controller that we were currently developing in the lab. The alarm controller supports a limited set of serial commands to interact with a remote monitoring device. The alarm controller itself is connected via a shared serial bus to a master workstation. This master workstation is connected to a LAN via Ethernet and to the Internet via TCP/IP protocol. An application is running on the master workstation which translates the TCP/IP packets and transmits the packets onto its various serial buses.

Basically, when the serial controller found a problem in the system (such as the temperature rising above normal which would indicate a fire) it would let the master workstation know about the incident. There was a local console where the operator could control the alarm system.