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  1. Electro132

    Resonance

    Lol no i'm for real. Technically you and i have completely different mind sets. But overall you're ok. The Crystal Radio is just a demo example of something bigger and a much more powerful construction. Think about what it is. I found it quite interesting....
  2. Electro132

    Resonance

    So you mean to tell me that i can increase and decrease the amount i am outputting with an LED? What is the difference with ground wire and hot wire? Ok that makes sense. But i can still select the frequencies right? As i know that 0.22 pf, 0.001 uf, etc... is available at the store so...
  3. Electro132

    Resonance

    I said anywhere between 0 - 3000 Mhz will do. Ok lets just say from 50 khz - 1600 Ghz. Would this be achievable? Also, the positive goes into the oscillator and is going to be mixed into an IC (model TDA7000) where the local oscillator signal and chosen frequency (FM) from a tuning circuit...
  4. Electro132

    Resonance

    Here's some of the things i;ve been reading on: http://www.quadibloc.com/science/freqint.htm http://en.wikipedia.org/wiki/Electronic_oscillator Let me know what you think
  5. Electro132

    Resonance

    No, no it is still the same thing. I was just trying to break it down for you so you can understand my level of thinking. Basically what it is, is that the tuning dial has caps that work around from 0 - 20 hz or close to. i figured a radio is best since it can tune to many freqs within a...
  6. Electro132

    Resonance

    I see. I did some reading and understand that a Demodulator is nothing more than a diode. And since a diode can only go one way then i was wondering what if i inverted it on the receiver what will it become then and will it still work?
  7. Electro132

    Resonance

    Ok so this is what i know: When using the FM band it turns into sound on the circuit, this sound then gets amplified with a log pot and then further gets amplified some more with a darlington pair. The sound itself can be attuned depending on the frequency chosen with the tuning capacitor...
  8. Electro132

    Resonance

    Your right. I figured a tuning capacitor would be best. I know a 6 - 160 pf tuning capacitor will place me around the FM band 88 - 108 Mhz with an extra 70 khz giving me 88.07 Mhz - 108.07 Mhz. But i'm wondering, what if i changed that tuning capacitor to something less or more for the...
  9. Electro132

    Resonance

    Thanks for this. Ok so 0.57 hz might be abit far off. But i found out that it is achievable in an LC circuit through the use of 7 henries and 0.47 F cap. It would only be the antenna that needs to be shorter. I'm thinking, could it be that the TYPE of antenna used (material used, type of...
  10. Electro132

    Resonance

    Not so. Here are the reasons why: 1) If you must know, anything from 1 - 20 hz is part of neuro-science since it has something to do with our brains. Scientists have been playing with the idea of being able to fuse technology with our brains like for reasons such as helping the...
  11. Electro132

    Resonance

    Ok, well this is what i have in mind: - the power source comes in - A knob is connected which can be turned clockwise and anti clockwise to choose from a set of Frequencies. E.g. Starts from 0.57hz and ends at 500 mhz (or more) - the chosen Frequencies then come out of the output and into...
  12. Electro132

    Resonance

    Hey i'm trying to find out about how to make a Linear Pot move between 3 different Frequencies. So far i found out that 6.5 henries with 0.47 microf's are equal to about 0.57hz and 6.5 H with 0.001 = 12.40hz. If i apply this would it mean that the linear pot starts off from 0.57hz in a LC...
  13. Electro132

    Resonance

    I want to build a Resonator which can be used for my experiment in examining the power of vibrating waves. It should have an Audio, RF and LFO altogether and have the ability to be powered by an inverter which can provide power to a supercapacitor and thus the supercap will then send power...
  14. Electro132

    Resonance

    So which resistors and capacitors are best to go with these frequencies? 16 Hz - 20 kHz can be done with one circuit. 100kHz - 100GHz is in my opinion impossible with one generator. You may need probably 2 generators to achieve this range. LFO 20Hz is covered by the first oscillator...
  15. Electro132

    Resonance

    Sorry for the questions guys, just trying to get my head around it, that's all. Ok basically here's what i want to build. I am looking to have an inverter connected to 3V power source which is connected somehow to 3 different oscillators (audio 16hz - 20khz, RF 100 khz - 100 ghz & LFO under...
  16. Electro132

    Resonance

    I need some assistance in converting 13 - 60 pulses per second, 7 - 13 pulses per second, 4 - 7 pulses and 1 - 4 pulses per second to Hz. I also need to know how does resonant frequency change on a tuned circuit (what components would i need to achieve these pulses/hz) by providing feedback...
  17. Electro132

    Resonance

    Hi, Could resonance be picked up by a receiver? and if so by what?
  18. Electro132

    GPS Transmitter

    GPS was the first idea that might have worked on sending txt messages after arming/disarming/entry/exit the door of a house. But now i found out GSM modules are better and then thought why not a wifi module? Just getting ideas. But you are right. This is a thread about GPS as well...
  19. Electro132

    GPS Transmitter

    Ok cool. But this is what i want to do: Have a trigger switch for the entry/exit of the door connected so whenever the door gets open/closed/armed/disarmed, the microprocessor algorithm sends a text message to the wifi network on my wifi router/modem and the modem should convert the message...
  20. Electro132

    GPS Transmitter

    I know what they are. But wait, doesn't the GPS module come complete with antenna and all? So why the need for a GSM module? Also how do you connect them together just so i can a picture in my head. Thanks
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