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Welcome to Electronics and Electrical Engineering Laboratory.

An example of Ethernet based control system with AVR micro-controller

Home automation, home control,
smart or digital home are just diff erent
names for comfort, convenience, security and
power saving. Power saving systems are of increasing
importance nowadays. Even though such systems are
very expensive, rest assured that they can also be very cheap if
you make them yourself. There are many ways to control a smart home
system. One of them is over Ethernet.

Home automation, home control,smart or digital home are just diff erentnames for comfort, convenience, security andpower saving. Power saving systems are of increasingimportance nowadays. Even though such systems arevery expensive, rest assured that they can also be very cheap ifyou make them yourself. There are many ways to control a smart homesystem. One of them is over Ethernet.

Ethernet1

 

Learning to Fly: The Wright Brothers' Adventure

Robotic - Aircraft

This NASA educator guide has excellent background information about Wilbur and Orville Wright. The guide contains student activity pages and templates for building the 1900, 1901 and 1902 Gliders and the 1903 Flyer

 

books1

 

Make a Mini UPS System

This is a simple circuit that’s provides an uninterrupted  power  supply  (UPS) to  operate  12V,  9V  and  5V  DC-powered at up  to 1A current. The backup battery takes up the load without spikes or delay when the mains power gets interrupted.  It can also be used as a workbench power supply that provides 12V, 9V and 5V operating voltages. The circuit automatically disconnects the load when the battery voltage reduces to 10.5V to prevent deep discharge of the battery. LED1 indication is provided to show the full charge voltage level of the battery. Miniature white LEDs (LED2 and LED3) are used as emergency lamps during power failure at night.

 

The Courage to Soar Higher Educator Guide

Robotic - Aircraft

This integrated unit allows students to launch pop rockets; create a pop-up book about the solar system; build Mars colonies; and learn about the history of NASA and space exploration. Some activities include vocabulary lists and reading selections. Each of the 20 lessons in this guide support national mathematics, science, technology, geography and language arts standards.

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Two way Simple Telephone Exchange

Radio - Telephone Related

This is a very small telephone exchange attached only two ordinary Tele phones. Fully bi-directional facility with an intercom system. When a phone is in off hook condition , Exchange will detect it & send ringing pulse to other phone. When it will be picked up , the connection will be established between both phones. This will be taken place vice-versa.

Two way Simple  Telephone Exchange1
 
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