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  1. (*steve*)

    Samsung Syncmaster 740BF repair

    As you can see, a DMO565R is not just a FET. The AliExpress versions are not particularly expensive. I'd be cautious that there isn't another failure which killed the device. Check for shorted rectifiers on the output, or a shorted turn in the transformer (that's harder to check).
  2. (*steve*)

    What is difference between c and java code

    C and java are both procedural programming languages. Beyond that, the similarity of some names, and syntactical constructs, they're pretty much completely different.
  3. (*steve*)

    Resistor to limit current to circuit

    And if the two LEDs are in series, the total current will be 105 milliamps. Presumably you have the correct series resistor for the LEDs so they only draw the required current.
  4. (*steve*)

    Boxes. Cases. I need simple coverings for my projects! What do you use?

    You can laser cut boxes out of acrylic or wood. One of my local suppliers quite often has project boxes from $0.80 to a dollar fifty each and I stock up on a couple of those so I've always got some to use
  5. (*steve*)

    Talking to my phone

    14 / 2 = 7 E equals MC squared 2 ^ 10 = 1024 4 squared equals 16 J Fett mosfet Oi, how come you get one right and one wrong? My wife is a sort of Bonza Sheila that doesn't mind me talking to my phone. The things we do to amuse ourselves at 4 o'clock in the morning! I wonder what would...
  6. (*steve*)

    Talking to my phone

    I should try to get a life :-) :-) Yes I said the word smiley and then face and it produced a :-). If all the governors going to do is listen to me talk to my phone it would be a damn sight easier just to read what I've written instead.
  7. (*steve*)

    Talking to my phone

    Hi this is an example of me trying to talk to my phone and getting it to type my message instead of me having to type the bloody thing on the little tiny keyboard. Amazingly enough this entire message has been written without me having to type a single thing is actually pretty impressive...
  8. (*steve*)

    Can Ni-Mh charger safely charge SLA battery?

    Probably not. If it is safe it will probably under charge them. If it doesn't detect end of charge it will overcharge them. Different battery chemistries require different charging methods. Whilst it is possible that the inbuilt charger can automatically determine the battery chemistry and...
  9. (*steve*)

    Electric ICE Exhaust Cut-out... why? and how?

    I prefer Google's approach rather than Tesla's (and by extension most other manufacturers). The "driver assist" mode seems designed to pull the driver into a false sense of security and to allow them to become inattentive. It's just a short step from there to disaster. Google's approach has...
  10. (*steve*)

    USB connected the wrong way

    Your iron may be ok. The truck in removing the old capacitor is to alternately heat the solder joints at both ends of the capacitor, removing it when the solder at both ends are melted. I feel you angle the board and give it a bit of a tap on the table, the capacitor will fall off...
  11. (*steve*)

    USB connected the wrong way

    It's a 100uF tantalum capacitor, but I can't find a capacitor that has markings which match the other stuff so I can't tell you what voltage it's rated at. I would suggest that something rated at 6 or more would be fine. The issue with surface mount packages is the size. If you can measure...
  12. (*steve*)

    Simple Metal Detector Circuit Keeps Beeping - Help

    No, a circuit diagram. Alternatively, can you post a link to the web page you got it from?
  13. (*steve*)

    USB connected the wrong way

    Very fuzzy apart from the tantalum capacitors in the centre. Unfortunately, if the capacitor was exposed to enough reverse voltage to destroy it, chances are that other more sensitive parts have been damaged. It's not too hard to remove, clean, and replace this capacitor, but be prepared for...
  14. (*steve*)

    Simple Metal Detector Circuit Keeps Beeping - Help

    Perhaps you could post the circuit? It is possible that you have wired it up incorrectly or that the stray capacitance of the prototyping board is meeting things up.
  15. (*steve*)

    Electric ICE Exhaust Cut-out... why? and how?

    A local university has installed "smart" speed humps for such folk. If they are going slower than the speed limit the road is smooth. If they're going faster, a speed hump (actually a dip) magically appears in their path. I hate speed humps, but I kinda like these ones.
  16. (*steve*)

    DMCA weirdness

    DMCA is the US government saving the world from copyright infringment. "The Digital Millennium Copyright Act (DMCA) is a United States copyright law that implements two 1996 treaties of the World Intellectual Property Organization (WIPO)." Amongst other things, it allows "content creators" to...
  17. (*steve*)

    Exhaust Switch Project HELP!!

    You're new here, aren't you? I think it's perfectly fine for people to say that it's silly to make your car noisy. Now, if you were a rally driver and you wanted an option like this to make your very noisy car street-legal for road stages, then that would be something different...
  18. (*steve*)

    Wiring 5v to a 12v powersupply

    Oh come on, is clearly a smoking robot USB socket.
  19. (*steve*)

    Wiring 5v to a 12v powersupply

    Those regulators are rated for up to 800mA (the same as 0.8A). However, if you're using the 5V for heating, this unit will dissipate more heat than your vape thing. It will likely shut down due to it exceeding its max temperature if used for very long. Go for the switch mode version that I...
  20. (*steve*)

    DMCA weirdness

    I am writing some code to edit and convert gerber files into a useful format. (If the bloody software won't do what I want, then I'll fix it myself!) Google for "The gerber file format specification" and you find that there's a DMCA complaint removing something (that's strange). Investigate...
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