Transistorized from – PBS Online – Tutor Lesson 2: Scientists at Work Students select an electronic invention and research who and what contributed to it. Lesson 4: Using Transistors Students build circuits to see how transistors function as switches or amplifiers Peek at some of Brattain and Schockley’s Lab Notes
These Tutors which are Interactive as well are useful for Students and Enthusiasts to enhance the Text Book reading. Electricity and Magnetism – Molecular Expressions These pages are good for any person who want to be more familiar with magnetism and electricity. This probably means everyone. Today Electricity Basics is General Knowledge and also an [...]
This site uses hands-on experiments to show the basics of how real things in the real world are controlled with computers. Controlling The Real World With Computers This site is also for anyone who is the least bit curious about monitoring and controlling such things as motors, lights and switches, or recording and playing everything [...]
Mechanics and electronics DIY project. Information for Robotics and Small Machine Automation. HobbyMechatronics – DIY Mechanics Robotics DIY microstepping motor driver Sherline Lathe CNC (mill) conversion XMEGA, the Perfect Robotics Microcontroller?
Stellarium is free GPL software which renders realistic skies in real time with openGL. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope. Stellarium is also used in real planetariums. Stellarium Open Source 3D Planetarium From Linux and Lamp – Open Source Software Works with Linux, Mac [...]
Celestia – The free space simulation The free space simulation that lets you explore our universe in three dimensions. Celestia runs on Windows, Linux, and Mac OS X. Unlike most planetarium software, Celestia doesn’t confine you to the surface of the Earth. You can travel throughout the solar system, to any of over 100,000 stars, [...]
Bob Blick – Projects for Students Servo Pulse to Dual H-Bridge interface performs vital control functions needed for propulsion and steering of a “fighting robot”. LED Sign uses two LED arrays to form a 7 X 10 matrix. It produces moving messages or animations stored in an EPROM. Oxygen Sensors. When they go bad your [...]
A Multimedia Tour of the Solar System by Bill Arnett. The Nine Planets Solar System Tour This website is an overview of the history, mythology, and current scientific knowledge of the planets, moons and other objects in our solar system. Each page has my text and NASA‘s images, some have sounds and movies, most provide [...]
Hackaday – Breaking Gadgets and Equipment to learn how it works. Makezine – DIY Magazine with New Exotic Hobby Projects to try at home. Instructables – Many types of Home Hobbies with Detailed Instructions. Here are some sample projects from them. Parallel port logic analyzer Swiss Army Knife 2 project board DIY 2.4ghz Spectrum Analyser [...]
Recording Technology History 1877 – Edison made the first recording of a human voice (“Mary had a little lamb”) on the first tinfoil cylinder phonograph Dec. 6 (the word “Halloo” may have been recorded in July on an early paper model derived from his 1876 telegraph repeater) and filed for an American patent Dec. 24. [...]
Hysteresis – Charles Proteus Steinmetz Charles Proteus Steinmetz (April 9, 1865 – October 26, 1923) was an American Mathematician and Electrical Engineer. He fostered the development of alternating current that made possible the expansion of the electric power industry in the United States, formulating mathematical theories for engineers. He made ground-breaking discoveries in the understanding [...]