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  1. Mongrel Shark

    starter kits wanted new or old

    There are a number of projects you can build from salvaged parts for free. I have even re-used solder when really broke!! Instructions are all over the Internet. What projects interest you and what appliances do you have access too? I can try to point you in the right direction.
  2. Mongrel Shark

    240V ac LED bulb failure

    LoL. Those Philips bulbs are the gutless flickery buggers I want to replace. The Median Brand at Aldi are brighter (20-30%), Cheaper ($13) and more consistent brightness/quality in my (somewhat limited) experience. The Philips Bulbs where cheaper at Masters last time I looked. I don't know what...
  3. Mongrel Shark

    Photo upload problem

    Lol. I'm not one to complain about slow replys lol. Ahhhggg! Adobe stopped supporting Linux-firefox flash ages ago. There is a workaround here for those that really want to flash on linux firefox. Using the chrome based pepper-flash...
  4. Mongrel Shark

    240V ac LED bulb failure

    I did that. 20/20. I think my eyes where just really good before. I always used to see stuff most people needed magnification for. Both small and close or long distant objects.
  5. Mongrel Shark

    The Pursuit of Ground

    The resistance and inductance they talk about in safty discussion is to make sure that a few hundred amps can go to ground quickly, without starting fires or making magnetic fields that cause problems. Its got little to do with a stable reference voltage. Sometimes its used as one in low...
  6. Mongrel Shark

    240V ac LED bulb failure

    In a screw/bayonet fitting? Link?
  7. Mongrel Shark

    240V ac LED bulb failure

    I too have some of those floodlights. Great as portable work lights. But they don’t plug into the ceiling socket in my kitchen or the sensor light at the front door, and not bright enough to de a proper day-maker. The ones I need are like this...
  8. Mongrel Shark

    LM317 2N3055 Variable Circuit Problems

    lol. If you don’t fry at least 4 transistors a session. Your not trying hard enough. I did that my first few power transistor projects too. I save my dead 3055's. I have over 100 now. Now I just get everything in a 100 pack or bigger.
  9. Mongrel Shark

    Hope I didn't make too big a mistake with my radio...

    I can just make out a blurry broken resistor or axial inductor near a blurry finger in a blurry photo. Its not a diode. What made you pick that resistor over all the diodes you had to choose from? This info will help work out where you started to get lost... I learned the hard way like you...
  10. Mongrel Shark

    240V ac LED bulb failure

    Damit. Now I really have to look in there! I have been resisting for months. Dad was teasing me too during a recent visit. Every night I'd smash the three switches open. then toggle the flickery-buzzy one till it settled. Dad would say innocently "I wonder what's causing that?" Knowing damn well...
  11. Mongrel Shark

    The Pursuit of Ground

    As others have said more info could help. I have two main uses for ground. A. safty. A good ground can source sink a few hundred amps. Thats it. I want the biggest fattest longest rod I can get hammered down deep into damp ground. B. Signal and reference. Ground voltage is constantly changing...
  12. Mongrel Shark

    LM317 2N3055 Variable Circuit Problems

    I just started reading this thread when I saw this. Usually when I do that I need new 3055's. :D Not saying thats your problem, but something to consider in future. Technically, if everything is right, your circuit should do that current just fine. But turning it up to 11 before fine tuning...
  13. Mongrel Shark

    240V ac LED bulb failure

    I found you need to pay at least $15 for mains fitting LED globes in Australia. I started with $2 ones from ebay and got a bit of everything up to the $15 Phillips and Median (Aldi) globes. Everything but the $15 ones died within 12 months. The ones under $10 are all fire/electrocution hazzards...
  14. Mongrel Shark

    Oh man...gotta love chinese sites...

    I hear apple is branching out.
  15. Mongrel Shark

    Pokemon Go

    Probably a lot of electric types in Delhi. http://www.dailymail.co.uk/news/article-3185040/Danger-8ft-high-voltage-Lethal-power-cables-dangle-perilously-close-men-women-Old-Delhi-s-no-wonder-poor-electricians-blow-fuse.html
  16. Mongrel Shark

    Wives Say The Damnedest Things!

    I have a modified DC flyback that could to give those crystals a nice healthy dose of positive energy. :D Or if they already have too much, and are leaky, maybe try corona dope? If you don't have corona dope try super glue, hot glue, heatshrink, or black/silver duct tape. In that order of...
  17. Mongrel Shark

    Photo upload problem

    Firefox v48.0 I use ad-block plus, but disabling it just now and reloading the page didn't change the result. Although playing with it a little more I think I worked it out and it might just be a PEBKAC error at my end. I was trying to get photos from an SD card and external drives.. Checking...
  18. Mongrel Shark

    For Sale: 3d prints

    Also here is a print in PLA from the finer printer. Zoom right in to see the fine detail and a few imperfections that are easily fixed with sandpaper in 20 seconds. This was a test run for a headlight bracket to go on the forks of my e-bike. We did it in PLA with 20% infill and a thick...
  19. Mongrel Shark

    For Sale: 3d prints

    As some of you may already know. I have been working with Donkey on this 3d printing caper for a while now. Attached are some images of some of the prints in black ABS using a 1.0mm (really fat) nozzle. This nozzle gives a very strong finish at the cost of fine detail. The layer bonding is...
  20. Mongrel Shark

    Photo upload problem

    For a while now I have had photo upload problems with EP. Its a bit intermittent. If I use chrome I get the old legacy up-loader that only allows one file at a time to be selected. Its really buggy too. crashes, uploads wrong file etc. I'm using firefox on ubuntu 14.04 and the file uploader...
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