33 Pages
|
3,501 Words
Construction of a potable electric operated motor vehicle for long Volvo Bus. In this project involves the knowledge of mechanical engineering workshop technology and engineering material science and strength. This was exactly what we were taught. We contracted the electric car with the actual dimension of long Volvo bus(Ml-) got from the catalogue and we enlarged the scale by 1: 8mm. aluminum cord was used in the construction of the v […]
46 Pages
|
6,975 Words
INTRODUCTION 1.1 BACKGROUND OF THE STUDY A mobile phone jammer or signal blocker is an instrument used to prevent cellular phones from receiving signals from base stations. The process of blocking the receiver to receive a transmitted signal is called Jamming of the signal. The jammer effectively disallows cellular phone signal when activated. These devices can be used in practically any location, but are found primarily in places wher […]
60 Pages
|
8,367 Words
A smart fan is designed with op-amp is quite useful for conference halls, auditoriums, cinema halls, and other commercial organizations where many people gathered together, and lot of fans are required at these places. Depending up on the weather condition, organizers of the above places are supposed to be control each and every fan, otherwise lot of energy will be wasted. Controlling each and every fan manually is highly impossible; t […]
40 Pages
|
5,750 Words
An electric standing fan includes a fan shaft driven by a fan motor supported by a motor support. An oscillating device includes a rotational shaft connected to the motor support for driving the motor support to oscillate. A transmission gear has an axle connected to the rotational shaft and a gear wheel mounted around the axle and driven by a synchronous motor. An oscillating angle limiting switch detects a rotational angle of the rot […]
42 Pages
|
6,731 Words
Countries like Nigeria are plagued with erratic power supply that has lingered on for decades. A major feature of the Dry Season in Nigeria is thermal discomfort which is more pronounced at night due to lack of electricity from the Power Holding Company of Nigeria to operate AC powered electric fans. This research work describes the development of a rechargeable electric fan that operates on a 240V AC power source as well as a recharge […]
47 Pages
|
7,059 Words
This project work deals on the design and construction of an IR based remote control for an electronic/electrical device say electric lamp with the aim of switching on/off of the lamp at discretion and from a distance. It also eliminates the inconveniences associated with manual switching of bed lamps. This electronic system is designed in two functional units; the transmitter and the receiver using IR communication wave band. The tr […]
39 Pages
|
5,618 Words
This work is on rechargeable standing fan. The project involves using mains power supply to recharge power standing fan. Rechargeable standing fan, charges with mains power supply, then the charged battery is used to run the fan when there is power outage. Remote part of this device enables the user to operate a fan regulator from approximately 10 meters away. However, with this device one can change the speed of the fan from your cou […]