Re: Signaling over powerline help



On Fri, 30 Dec 2005 12:14:12 -0500, Spehro Pefhany
<speffSNIP@xxxxxxxxxxxxxxxxxxxxxxx> wrote:

>On Fri, 30 Dec 2005 11:12:54 -0500, the renowned ken
><somewere@xxxxxxxxx> wrote:
>
>>Hello,
>>I would like to know if someone can point me in the right direction.
>>I'm looking for a schematic that would allow me to send and receive
>>data over the power lines in a house. I did a search on google under
>>the following and did not find anything, I could use as a starting
>>point: Signaling over powerline circuits, bpsk circuit, and binary
>>phase-shift keying circuit. Thank you in advance, Ken
>
>"carrier current"
>X10 + reciever, transmitter etc.
>
>As well as being potentially dangerous, it's not easy to get this sort
>of thing to work reliably. I suggest you forget about it and use
>wireless technology.
>
>If you're in North America, in a residential situaiton, with our split
>mains, you may also have to worry about getting data across the two
>sides. Commercial may use 208 3-phase so it's got double trouble.
>
>
>Best regards,
>Spehro Pefhany


Hi Spehro, I'm aware of the danger and plain to use opto isolators. I
also know about the split mains. Thanks, Ken
.



Relevant Pages

  • Re: Modify a sensor light
    ... Would be interesting to see a schematic of this circuit. ... Sensor light electronics need power when the bulb is ... away (and have tripped on the steps that are 12 feet away). ... circuits may not work well or at all, because the transmitter might ...
    (alt.home.repair)
  • Re: Opamp and circuit help please.
    ... design your circuit to operate like at ... volts even when the input voltages gets ... > I have been trying to make a 40kHz ultrasonic transmitter and receiver ... > receiver circuit and using it on the above LM833 circuit it didn't ...
    (sci.electronics.basics)
  • Re: Pseudorandom Hashing
    ... >presented to the first EXOR, it's EXORed with the EXOR of older bits ... >In order to recover DATA IN, the DATA OUT stream is presented as DATA ... >IN to an identical shift register / EXOR circuit and, ... >exactly what went into of the transmitter. ...
    (sci.electronics.design)
  • Re: radio controlled toy
    ... red component in the transmitter and a green component in the reciever. ... I bought an oscilloscope and measured some of the voltages at different ... I then measured after the decoupling 100pF capacitor ... transmission line and the antenna of this circuit. ...
    (sci.electronics.design)
  • Re: Pseudorandom Hashing
    ... >getting a long string of zeros, a message is run through a CRC ... In order to recover DATA IN, the DATA OUT stream is presented as DATA IN to an identical shift register / EXOR circuit and, if they're both synced up what comes out of the receiver will be exactly what went into of the transmitter. ...
    (sci.electronics.design)