Raju Baddi's profile
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- Simple capacitance meter bins parts
- This slide-show gives a home made spdt switch : http://youtu.be/nbFsB9VGQt4
- Use a heated diode as a flow sensor
- Regarding the quality of a DI I have something to share. I think there could be four parameters, New : Is the idea valuable for human knowledge database ? Have not come across this idea before ? (1/0) Useful : Would you like to use it for any purpose(at all) or do you think it would be useful for any purpose in the future ? (1/0) Popularity/Fun: Was this informative, did you enjoy reading the article. Did it hold your attention ?(1/0) Efficiency: Does it implement something common in a new way or a simpler way or a better way etc. (1/0) In short NUPE factor, goes from 0 to 4.
- 1st successful test of the transistor, December 16, 1947
- A few lines I wrote for the transistor on its birthday: Mankind with vacuum tubes was buried under the tyranny of colossal power consumption. For their creation, maintenance and destruction had put upon him severe technological limitation. Vacuum tubes with hot heater of high wattage wouldn't work without high voltage. Compel d man looked for new device that would bring limitation to its demise. So came into being the transistor destined to be the vacuum tube Vanquisher. Your immediate power consumption was insignificant and the amplification you produced was sufficient. Running cool and wise unlike the tube didn't have the scorching sun inside. Your operation was simple, age longer, size smaller and the dominion ever larger. Number of terminals you have are three each one imitates a celestial deity. For under your guidance the charge carriers in emitter base collector have duties. That can be likened to with those of the Brahma Vishnu Maheshwara deities. How shall your size, power and efficiency in the contemporary times I hail. For you can project the multi storied power monster ENIAC on thumb nail. Thank your size so small there is today computer in pockets of all. Ever ready you for any fight is there a rival technology in sight? With vacuum tube behind I guess you are the dearest device of mankind. Blowing life into all his complex machinery you take him towards progressive certainty. So important was your invention you have given humans a chance against extinction. Millions of you on a chip monolithic crunch his computation without a hick. Important device that you are alone setting for all intelligent life a milestone. Happy birthday on this 21st line with glory in the future you shine. Lastly its around you thinking that makes the $150 EDN cheque keep coming.
- Simple diode serves as a sensor for a thermal probe
- A video can be seen at : http://youtu.be/FJmlqWgDNnQ
- Use LEDs as photodiodes
- Another video can be seen which uses the above set up at : http://youtu.be/a7ZZrGIMlig
- Detect charged bodies with electronic electroscope
- The gain of the transistor(when one has to use an available transistor only) can be decreased(disappointing) by passing a reverse break down current through the base-emitter junction. Perhaps this can be done in a controlled manner(by short pulses of current) to reduce the gain to a desired level? Side effects ?!