• Solder won't stick to circuit board... Is there anyway to fix it?

    Best answer: You mention it is burnt. The copper oxidizes easily and solder won't tin the oxide, and there may be a conformal coating. Scraping the crap away with steel wool or (better) Scotchbrite will get you going. If any of the traces are lifted or burned away trim them and scrape the areas near the ends clean, then... show more
    Best answer: You mention it is burnt. The copper oxidizes easily and solder won't tin the oxide, and there may be a conformal coating. Scraping the crap away with steel wool or (better) Scotchbrite will get you going. If any of the traces are lifted or burned away trim them and scrape the areas near the ends clean, then solder wires across where the traces were. Use a toothpick or other simple tool to hold the wires against the copper when soldering them.
    10 answers · 3 days ago
  • My electricity bill is over 700$?

    They said my house consumes 5000kwh even tho no one is home in the morning and at night we eat watch tv and sleep it s a 3 bedroom house fpl came they said they can t do anything because our a.c. is old it uses a lot of power but how everyone I know pays 130$ average of 900kpw but my house 5K!?? Who can I complaint... show more
    They said my house consumes 5000kwh even tho no one is home in the morning and at night we eat watch tv and sleep it s a 3 bedroom house fpl came they said they can t do anything because our a.c. is old it uses a lot of power but how everyone I know pays 130$ average of 900kpw but my house 5K!?? Who can I complaint to they cut off my power I didn t pay
    6 answers · 1 day ago
  • Does Russia make anything of quality? Not caviar, the sturgeon makes that, not watches, cars, appliances....?

    Best answer: The communist central planning system ruined the manufacturing segment of the economy, and it's now almost zip, even after almost 20 years.
    Best answer: The communist central planning system ruined the manufacturing segment of the economy, and it's now almost zip, even after almost 20 years.
    11 answers · 4 days ago
  • Can you use as much electricity from a hotel, as you want?

    Best answer: You could, but as others say it's a ridiculously expensive way of doing it... The biggest battery you could carry (or somewhat bigger) - eg. a 200AH truck battery - would take 20A @ 15V for 10 hours to charge. That's about 350W (allowing for inefficiencies) for 10 hours or 3.5 units - roughly around 40... show more
    Best answer: You could, but as others say it's a ridiculously expensive way of doing it...

    The biggest battery you could carry (or somewhat bigger) - eg. a 200AH truck battery - would take 20A @ 15V for 10 hours to charge.

    That's about 350W (allowing for inefficiencies) for 10 hours or 3.5 units - roughly around 40 cents cost at home to fully charge each [massive] battery.

    If you can get a hotel room that would allow you to cart ten of those in and out, for less than $4.00, good luck!!
    6 answers · 2 days ago
  • Do bugs eat electric parts?

    5 answers · 1 day ago
  • Future "barcode"?

    They say that one day the world will be rid of all paper/coin money and be replaced by a barcode on our wrist?That you use like a bank card.You have a choice of having one and can buy stuff or refuse and cant puchase anything.what would you choose?I would choose to go somewhere that i can live off the land.
    They say that one day the world will be rid of all paper/coin money and be replaced by a barcode on our wrist?That you use like a bank card.You have a choice of having one and can buy stuff or refuse and cant puchase anything.what would you choose?I would choose to go somewhere that i can live off the land.
    4 answers · 2 days ago
  • Going on a road trip with hubby and 14-year-old son. Any recommendations for audiobooks? Podcast?

    Electronics, gift cards and anything sharp are not allowed.
    Electronics, gift cards and anything sharp are not allowed.
    4 answers · 2 days ago
  • This is suppose to be the time of tech, where everything can connect to everything else. so why cant I connect a phone to a TV?

    DON'T SAY IT IS EASY TO DO!!!!!!!!!!!!!!!! It may be easy IF IF IF you have the right phone, and right cables and right TV and right tech group to explain how to connect x to y without having unplug Z, but that is not what she has. She has a Galaxy J2 Deluxe, and there are no cables to connect that phone to... show more
    DON'T SAY IT IS EASY TO DO!!!!!!!!!!!!!!!! It may be easy IF IF IF you have the right phone, and right cables and right TV and right tech group to explain how to connect x to y without having unplug Z, but that is not what she has. She has a Galaxy J2 Deluxe, and there are no cables to connect that phone to the TV. I looked, and looked and looked and looked and looked and looked for 3 months I looked at hundreds of site. it does not exist. The closest one I found is for a phone with a micro HDMI. Her phone just has a Micro usb. I have found millions and millions and millions of cables for Galaxy S, but not for Galaxy J. Do not tell me to do it wireless, we have very limited internet here, and that would overdo it for sure. I can barely afford the 25 dollars for 25 gig. I can not afford 3 dollars per gig after that and there are no other options here. I want to get this cable as a Christmas present for my mother, it is her phone and she has always wanted to connect it to TV. Any help, other then telling us to get a knew phone, and other help is welcome.
    8 answers · 6 days ago
  • My bluray player cannot play one specific bluray, even if I try a different copy of that bluray, what can that be about?

    Best answer: Might be region locked.

    You might want to try a firmware upgrade.
    Best answer: Might be region locked.

    You might want to try a firmware upgrade.
    4 answers · 3 days ago
  • What is used to play background music in large supermarkets, malls, etc?

    Best answer: It is an ordinary PA system. It is usually also connected the in-house phone system so that a phone can be used as a microphone for paging. The way the speakers are connected ("constant voltage") can technically allow up to about twenty of them to be driven by a single amplifier. (The higher the... show more
    Best answer: It is an ordinary PA system.

    It is usually also connected the in-house phone system
    so that a phone can be used as a microphone for paging.

    The way the speakers are connected ("constant voltage")
    can technically allow up to about twenty of them to be driven by a single amplifier.
    (The higher the available power output, the more speakers can be connected.)

    Equipment and accessory add-ons are made specifically for such purposes.


    The music often comes from a subscription service such as Mood Media (formerly Muzak).
    7 answers · 6 days ago
  • How to increase Voltage?

    i have my farmhouse i drill 2 bore well and i install 2 summerhouse water pump,after that i m getting voltage problem to start the motor,its showing 200v for that motor is not getting pickup its shutting of again and again,please give me any solution for how to icrease voltage.
    i have my farmhouse i drill 2 bore well and i install 2 summerhouse water pump,after that i m getting voltage problem to start the motor,its showing 200v for that motor is not getting pickup its shutting of again and again,please give me any solution for how to icrease voltage.
    6 answers · 6 days ago
  • Is it ok to charge 3.2V device to a 5V USB slot?

    Best answer: If the device has a USB charging plug, it will be fine. There is a regulator circuit that prevents over voltage. Cell phones are an example of this... you can plug them all into a standard 5 volt USB socket.
    Best answer: If the device has a USB charging plug, it will be fine. There is a regulator circuit that prevents over voltage. Cell phones are an example of this... you can plug them all into a standard 5 volt USB socket.
    5 answers · 5 days ago
  • Does an audio 'adder' device exist? If not, how do I make one?

    Does an audio 'adder' device exist? If not, how do I make one?

    I'm looking for a device that takes several audio inputs (AUX and BlueTooth A2DP), merges all sound together into one line and provides a single output. Does a device like this exists? If not, is there a reason why not, or could I make such a device myself?
    I'm looking for a device that takes several audio inputs (AUX and BlueTooth A2DP), merges all sound together into one line and provides a single output. Does a device like this exists? If not, is there a reason why not, or could I make such a device myself?
    4 answers · 4 days ago
  • Why are elderly people so confused with technology most of the time?

    My grandma has had an iPhone for years and still doesn't know how to use it.... she always asks me to help her with things that are so simple. Same with my granddad and my older aunts and uncles. They seem like they don't know how to use the simplest user friendly technology and when me or someone else who... show more
    My grandma has had an iPhone for years and still doesn't know how to use it.... she always asks me to help her with things that are so simple. Same with my granddad and my older aunts and uncles. They seem like they don't know how to use the simplest user friendly technology and when me or someone else who is young fixes it so easily they think were magicians. I know they didn't grow up with technology but really, is it that hard to figure out? (Not trying to offend anyone btw)
    13 answers · 1 week ago