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    Partner needed (soldering skills, buying components, talking to cliets etc)
    Hello everyone.

    I'm Sergey Pismensky, a self-employed electronics engineer from Russia and I've been selling my designs in US and Canada for about 5 years now. I'm thinking of some business expansion introducing a new design which is a bit bulky compared to my provious projects. I'll need someone located in US and who'd be responsible for assembling large numeric displays (looking like outdoor clock) and shipping them to clients across US and Canada.

    The good news is that I have an agreement with a web-site owner where a lot of potetntial customers are "concentrated" and they will surely will see our product ad. This strategy worked well with my previous design (

    I suggest that I only ship lightweight and compact electronic boards, the rest of materials and components should be bought in US, assembly should also be done locally.

    So, the partner's duties will include:
    - buying components from local suppliers,
    - assembling those large displays,
    - packing them in bubble film,
    - shipping them to clients across US and Canada.

    I'll provide you with all necessary instructions. THose displays are easy to assemble and repair (the whole design is modular). Another good news is that YOU decide how much our product will cost (I need a partner, not an emploee). I'll only charge you some $$ for the design core -- two electronic boards.

    In case you still have any doubts about that sort of international cooperation you may want to watch these videos about my other design: and

    Have any questions? Here's my contact info:

    E-mail: e-go[you-know-what]inbox[dot]ru
    Skype: sergey.pismensky
    Phone: +7-90-90-500-800

    Sergey Pismensky.

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  2. Collapse Details
    Hello Tamara and everyone.

    This scoreboards project didn't spark much interest so I wasn't able to find a partner in 2015 and I put it off (though it's still ready for production if someone is interested -- I made a funny New Year display out of one of those displays: ).

    I have a betterr money-making design now -- combustible gas leakage alarm. This simple device spends most of its life in sleeping mode somewhere in the kitchen. It wakes up every two minutes and checks if there is any explosive gas in the air. This measurement cycle takes about 17 seconds necessary for sensitive element heating. If anything dangerous is detected you hear acoustic signal immediately (YouTube limited its loudness in the nest video). If everything is OK it just falls into sleep mode again for another 2 minutes.

    You may want to start measurement cycle manually, you can do it at any time, for example, to check if the device is calibrated properly (as many sensitive devices like human eyes or ears it needs to be checked periodically but in contrast with human sight or hearing recalibration can be done very easily in case of sensitivity drift caused by sensor aging).

    Take a look at this: What's going on in this video: a button is clicked to start air quality measurement cycle in manual mode. Then we need to wait about 15 seconds for sensitive element to heat up. Then a very small amount of gas is released from a gas lighter -- NOTICE THAT THE GAS VALVE IS OPENED FOR ONLY HALF A SECOND OR SO.

    I made this simple and inexpensive device after this deadly explosion in my city:

    We know there have been similar accidents in US, too:

    Let me know if you have any ideas. Feel free to contact me at e-go [at] inbox [dot] ru


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  3. Collapse Details
    UPS Batteries in Chennai are most useful to recharge batteries.

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