

jerryyu
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I went to Radioshack and the voltage rating is not on there. I even ask the front desk worker and even he doesn't know
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How do you know which compacitor to use? Since on the compacitor it is measured in micro-farad, how do you know how much amps or voltages it can store?
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Does a capacitor only releases energy once it's fully charged up?
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http://www.inhabitots.com/energy-generating-soccer-ball-brings-power-to-developing-nations/ I am curious about they store the electricity generated by the soccket ball. If they used a capacitor, what kind? Because a regular capacitor won't be able to store enough electricity to light an LED for three hours. A rechargeable battery? How did they do it? Sidenote: according to them, a 10 minutes play(or charge) can generate enough energy to light a LED light flashlight for 3 hours. A capacitor definitely can not do that, at least I don't think so.
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Are all I/O Ports ADC? (do all of them have the ability to turn analog signal into digital signal)? If not, how do you know which one can? Also, is there a difference between male header and female header beside the fact that they shape differently? (beside the fact that they allow different peripherals to be connected to it). Thanks!
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Connecting External Peripheral to a Microcontroller
jerryyu replied to jerryyu's topic in Amateur Science
I have no idea on how to build an external module or even what it is. Do you know any good websites that can help me learn and get started? or how I can get started on it? Really thankful for your help! -
Connecting External Peripheral to a Microcontroller
jerryyu replied to jerryyu's topic in Amateur Science
Yes, really sorry about my lack of description. I wanted to be able to read the amount of currents produced by the solar panel in terms of digital data. Basically I wanted the solar panel to interact with the microcontroller based on the digital data. it's kind of like how a solar tracker works. -
Is it possible for me to connect a solar to the SRV-1 Blackfin through a breadboard? (http://www.surveyor.com/SRV_info.html). Thanks!
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I know that expansion slots are for adding additional functions to an embedded system. But my question is, just what kind of things/functions can be added through the expansion slots? Take this one for example: http://surveyor-corporation.stores.yahoo.net/srbaexmo.html ......Is it possible to mount servos on the SRV through the expansion module so that the servos can be controlled by the SRV-1 Blackfin Camera? Thanks in advance.
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thank you for bring up the originality issue, i did go back and point out what makes my project unique from what had already been said on piezoelectric security on the last paragraph of my summary and conclusion. Thank you once again, I seriously appreciate you point that out. One more thing though, where did I talk about a 100 watt security system, I couldn't remember and i couldn't find where that's at
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I had been online searching endlessly for the name of the security system that almost every stores used, and that is sending signals to the police station telling them that an intruder has came in through Acoustic Sensors(e.g. breaking of a window).
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does anyone understand or know the science behind this? http://www.kcci.com/entertainment/10586523/detail.html
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How come the Costs of Piezoelectric Floors were so Expensive?
jerryyu replied to jerryyu's topic in Other Sciences
it's not for me in particular, it's for a project