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  1. B

    Small motor with 104 cap bridge between terminals.

    Rubbish....
  2. B

    Have a discontinued gadget, need Lithium Polymer battery

    You can pick up an 18650 cell anywhere that sells those horrendous vaping things. Thing is you'll probably need a charger to suit and some form of battery case, most available at local electronics stores. You don't give much detail on your application so reply detail is limited. Photos normally...
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    Wiring up a Y90L-2 motor

    Pretty much standard requirement in new house builders power...... They usually have to provide at least one 15A point so you should be good. Don't be surprised if the inspectors drop in though all the same.......owner builder or otherwise.......test tags a must on any construction site. They're...
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    Wanted: Microchip Technology USB2514B or USB2514BI

    Ebay in UK seem to have similar....
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    Wiring up a Y90L-2 motor

    Megger is to insure safe isolation and proper earthing. Tong meter will be required to do a run test. If you use it anywhere on a site in Aus, better have it tagged as well. The inspectors on those sites get REAL nasty if it's not test tagged. They find one small item not up to scratch and they...
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    Why I need a capacitor in parallel to micro limit switch

    Already told you...use an opto isolator adjacent to the uC.
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    Why I need a capacitor in parallel to micro limit switch

    Doubt very much that "voltage drop" has anything to do with the problem. Show your code and your circuit diagram. Long runs that are external to the uC and pick up noise etc. can be modded using opto's.
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    Using MIL-HDBK 217F to determine FAILURE RATE OF led

    Probably need to change to other than Chinese made.
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    Using MIL-HDBK 217F to determine FAILURE RATE OF led

    Not much point as any driver will fail long before the LED. (Practical experience)
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    Wiring up a Y90L-2 motor

    Active to the floating red cable and Neutral to terminal V2. And naturally Earth to the frame. Megger required for testing before plugging in to any power (no, not multimeter) And would recommend doing a load current test (tong meter)before running for any extended period. Must add not mine but...
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    CCTV cameras

    Without any reference to model etc. pretty difficult.
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    L298N Replacement/Alternative

    Plenty on Ebay, Aliexpress etc. etc....search for 10A H bridge to suit.
  13. B

    I would like to repair my fridge-freezer. But what's wrong?

    Leaks in the refrigerant are rarely visible except occasionally for an oil film in a visible area. There is concealed pipework with possibly aluminium to copper joints which you will never see. Originally you quoted....... Above was what I based my diagnosis on but now you say something...
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    433 MHz Single channel transmitter and receiver

    Actually it can be a lot further than that depending on the environment. iforce2d ran it out close to 5klm. The one he used was a 6x but essentially the same tx as the i6.
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    Yamaha HS8 suddenly stopped working

    Edd...the definitive word there was "most".
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    433 MHz Single channel transmitter and receiver

    FSi6 and receiver.....small form factor https://www.banggood.com/FlySky-FS-i6-2_4G-6CH-AFHDS-RC-Radion-Transmitter-With-FS-iA6B-Receiver-for-RC-FPV-Drone-p-983537.html...
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    Yamaha HS8 suddenly stopped working

    Most power supplies these days are switchmode. Sounds like yours has a failed output. This could be due to any number of things and without your having any trouble shooting experience, I'd say possibility of your repairing it rather low.
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    Need a replacement thermal switch

    10A/130C replacement should be fine.
  19. B

    Beginner Q: 400' Internet Extension Options?

    Is the phone service fibre or copper? Perhaps drop the modem at the site and run the phone line back to the original location.
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    433 MHz Single channel transmitter and receiver

    There are plenty of examples of building your own rc systems. Some use the NRF24L01 units with Arduino and some use the higher power modules. Either way, it depends on range requirements for which there are legal limitations. Then there is the ready built rc systems such as Flysky where one can...
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