How Data is Transmited by RF circuits (Wifi, bluetooth, phone, radio etc...)
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- เผยแพร่เมื่อ 2 ม.ค. 2015
- SEE THE THEORY IN ACTION HERE:
th-cam.com/users/edit?o=U&vide...
The video above explains the basic theory that relates to data transmission, namely how electromagnetic waves are generated by antennas and how they encode 1's and 0's. Non essential information for a hobbyist, but really interesting none the less.
Component list:
•1 X Arduino Uno
•1 X 433MHz RF link pair
•3 X LED
•1 X Piezo Buzzer
•1 X Push Button
•1 X Resistor 330Ω
•50cm Single Core Wire
Equipment needed:
Soldering Iron
~-~~-~~~-~~-~
Latest and Best Arduino Playlist in Collaboratio with DFRobot:
• Arduino Zero to Hero
~-~~-~~~-~~-~
I like to know is there a portable thin receiver to pickup phone carriers LTE radio bands like 2-4 and powered by using a elbow type C connection to the phone.
Seeing Xiaomi mi Pocophone F1 Global OTA Unlocked snapdragon 845 CPU phones do not have the LTE radio band of 2-4 ❤️
After 8 years from this video you must be some advanced engineer now.
Does music that is already downloaded to your phone use data Transmissions or data transfer
Thought you probably should've went into carrier waves since you're gonna talk about how these waves transmit signal of information. Good high level lecture.
hahahah true
Nice and informative. Thanks for taking the time to make these videos.
Very well explained, thank you
do you think it's possible to change a device that uses wifi to transmit data (like a portable car diagnostic scantool that connects to a cell phone app to read information via wifi), to a bluetooth connection? ie. swapping out wifi and replacing it with bluetooth internals from say a portable speaker?
This is absolutely possible provided offcourse that the data is digital that both devices have WiFi and that the receiving device has an operating system as well as some memory storage.
If all of those are true that it is possible but obviously requires some fairly advanced programming to edit the code so that the data is sent and via a different channel.... also you have to program the receiver to listen, receive and store the data.
So yea keeping all that in mind I suggest you only try if you have good documentation for both the sending and the receiving device!
Robotix, my scantool only communicates via wifi. but my app for car diagnosis only uses bluetooth to communicate. So instead of trying to tear it apart and swap bluetooth/wifi components it will seem easier (since I'm a novice) to just buy the device that uses bluetooth instead of the one I bought that uses wifi.
what is the "black box" called in the world of RF Circuit if I want to learn more about it??
and thank you for the great video
OK google Signals and Systems, Fourier Transform and signal denoising ...good luck!
bro! how to generate code from Arduino (or Wemos 8266) + Transmitter for Remote learing code ( It doesn't have code)? thansk a bunch!
Thank you very much. You brought it all together very well.
Sir, you are AMAZING! I appreciate this tutorial so much!
How hard is-it to build RF devices (transmitters/receivers) from scratch using basic electronics components ?
Thanks for the info btw
It is realy hard
Amazing explanation.
Awesome Thanks!
If radio waves are everywhere, how do you know which radio wave to receive and interpret?
Beautiful question. Its all about the frequency. Think of your radio, a particular station transmits at a specific frequency!. If anyone else did that it would be illegal. So that is what happens automatically with mobile phones satelite channels etc . . etc. . .
How do you use smartphone to transfer to microchip
Great explanation!
Bubble Chicken thank you:)
Is there any actual circuit diagram of Bluetooth,
not nor any other thing.
The actual Bluetooth Circuit Diagram!!!
I wish you didn't say 0s and 1s.
You did good with calling it electromagnetic waves, amplitude or frequency modulation. Suddenly you went from that to mathematical symbol which is algebra.
Amplitude refers to voltage and frequency refers to energy delivered.
Why Bluetooth have so many interferences?
how can you find a receiver hidden in your car? And where could it be getting its power from ?
why would there be a receiver hidden in your car
Thank you.
6:43
Thanks ❤️
Demn great explanation
Really good! Thank you.
remember, human beings are also recievers - and we are effected by EM frequencies.
We are and no one really knows how or even how much!! . . . there just arent too many medical experiments done in this field
Actually it's the water in our bodies that does that. Try to do it with a mummy if you don't believe me :D
Yes, if you have a wave that can match the resonant frequency of an organ then this can lead to some bad effects, the "brown noise" is a real thing as the tone played matches the resonant frequency of the average persons large intestine, obviously this is just an average and people differ and therefore different people will have different natural frequencies of particular organs.
@@BazamO also to microchips
Our eyes can detect visible spectra of em wave.
Good stuff bro thanks!
you are welcome :)
now go find people in the world do bad thing now
like the science and technology yeah thing what lead u there too
why is the bed so lumpy
Make more like this please:)
I believe it's actually Amplitude/Frequency Modulation, not Modification
100 %
Is that intro from Ninja Gaiden
BPSK possibly.
Very well superficially explained for biginers in Telecoms.
I have been building cellular networks for 15 years. That's, well, not how it works, except for mabey cheap Chinese devices.. Even as far back as the AMPS analog system, the control channel was a single qpsk symbol. And still to this day 5G uses the phase shifting modulation schemes. From qpsk to 256QAM.
Get a better Marker .. but thanks for video
what is the need of a capacitor at 3:50 ?
Great question!!!, the short answer is capacitors unlike wires have a limit to how much current (AC) can flow through them. So they maintain the frequency, but can (depending on the size of the capacitor) limit the amplitude of the current and hence protect the equipment which reads the waves as 1s and 0s
I am sure there is more to it, but this is the main purpose
i have a question for you. WHAT ARE THOOOOOOSE!?!?
Can you be a bit more specific :)
I'm really sorry, but AM is Analogue, not digital, this means that what youre saying about AM's low amplitude representing a 0, that would be incorrect, because Analogue doesn't work, on ones and zeros, that's digital (FM)
Hey mate don't be sorry :) . . . AM Radio stations are analog radio so to speak. But I remember from my Signals and Systems subject at uni that amplitude modulation can be used to encode a digital signal. I think its called ASK, Amplitude Shift Keying
Now, I am not sure if the latest 4G or Wifi standard uses this technique , but I think it makes for the best example of how you can send zeros and ones over radio waves.
Well, ok. Thank you for replying. I do know that AM can be used in a digital manner, but isn't in radio's case.
So to clarify for the keen comment readers AM can be used to transmit data via Radio waves . . . but its not used in radio (as in music radio stations) In the latter Amplitude Modulation is used to encode voltage to a speaker coil which makes sound
Are there frequencies other than am/fm? If we have created/captured am/fm .... Are there other frequency bands that can be used to transmit data however we need to create a device that allow us to use other frequencies that we currently do not use?
ffw to 2:00 to get to the real explanation
Yo, good video, but look at the camera more, instead of your script :)
Yea no script but i do tend to look at the feed of my face on the screen instead of the camera
Make more like this please:)
Will Do :)
spy love me big brother watching us learn something every day