Circuit Lake » Miscellaneous

Generic Finite State Machine Interpreter

admin — Tue, 07 Feb 2012 23:12:34 +0000

A Finite State Machine (FSM) is a versatile mechanism to implement sequential digital circuits. This project implements any desired FSM using the Renesas microcontroller instead of flip-flops and logic gates. The system has a PC based GUI interface where the user can represent the required FSM using a simple State Transition table or a State [...]

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Easy Voice Commander

admin — Sat, 04 Feb 2012 23:46:02 +0000

The purpose of the project is to build uncomplicated voice recognition system based on M32C/84 microcontroller. The main part consists of telephone, some amplifiers, and development board.The project used to operational amplifiers in the analog part, the first one, provide amplification to the signal of 220mV p-p generated by signal transducer (a microphone electret) and [...]

Interruption Alert System

admin — Wed, 01 Feb 2012 22:47:28 +0000

This M32C/84-based office message board project allows you to display a preprogrammed message like “do not disturb”, “in the Lab”, “At Lunch” etc on the LCD positioned at the door. The project has a keypad which is placed on a desk. On this keypad there are 15 buttons and 6 LEDs for control and [...]

Hand Speak, Hand Sign Language Translator

admin — Sun, 15 Jan 2012 00:28:19 +0000

The project was designed to improve communication capabilities for deaf and blind. It converts the mechanism of hand sign language into alphanumerical characters, then assist users to show and to communicate with others through any forms of ASCII text. The system identifies 26 alphabets and 10 numbers of American Sign Language, then display on LCD [...]

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TeleSecretary, a Remote Voice PDA for Cellular Phone

admin — Thu, 12 Jan 2012 02:16:13 +0000

TeleSecretary is a low-cost Renesas M16C microcontroller-based remote PDA system. It contains a touch-tone decoder and generator, and digital voice recording and playback components. The touch-tone decoding and generating is handled by the Renesas microcontroller M32C/84. An event database is built on the M32C/84 microcontroller to store the scheduled appointments. The M32C/84 on-board real-time clock (the [...]

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Mini Point-of-Sale Terminal

admin — Mon, 09 Jan 2012 02:04:13 +0000

This project is a portable Point of Sale terminal designed specifically to handle lab manual and class supply sales in a university environment. This involves three short but very busy sales periods per year ( less than 1 week each), using staff with no training on a cash register per-se. Commercial POS terminals were thought [...]

Soil Moisture and Temperature Alarm for Gardener

admin — Sat, 31 Dec 2011 01:38:10 +0000

SmartProbe is simple low cost moisture and temperature alarm system for plants. Insert it in the plant’s root system and it measures the moisture and temperature. It sounds an alarm if the moisture or temperature goes out of preset limits. Shut it off with a gentle tap or knock on it to ask it the [...]

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