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  1. B

    Transformer Ring Tester

    Built up the "in circuit" version of this ring tester however when used on several different 220v iron core transformers and one ignition coil, cannot get anything near the number of "rings" they show in the video. I get sometimes a 0 reading and on others, perhaps 1 if I'm lucky. It is in...
  2. B

    Web site down?

    Cannot seem to get any sense from the web site. Try to post and it comes up...error mmm...well, except here apparently
  3. B

    RXB8 receiver

    Have a Lockmaster sliding gate opener and it up and died suddenly. No storms or power surges .... Motor works fine when driven with power directly. Pulled out the control board and it has a programmed keyfob where one has to use the manufacturers unit. Other visibly identical keyfobs on 433mhz...
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    Hobart H65 dishwasher

    Anyone have access to a wiring/schematic for the Hobart dishwasher model H65. No water coming in, low voltage to the inlet valve,(70V) sort of points to a problem on the uC board. Doing other strange things as well. Water heat starts with no water and tank pressure switch kaput but isolated.
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    Test and Tag???

    Seems the nobs in Queensland Transport have come up with the "brilliant" idea that all electric cars should have a small blue "tag" fitted to their number plate warning of possible electrocution in event of a crash. I'm no emergency service expert, but I'd imagine running around a crash scene...
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    cannot log in on pc

    Just started this morning....go to log in page, fill in username and password as usual, hit sign in and new screen comes up to log in again. Currently accessing on my phone. Sent through an email but no reply so far.
  7. B

    Shorted turns tester

    Wondered if anyone has a link or details on a diy shorted turns tester I could knock up. Currently have an old 240v ac Dunlite generator here with little to zero information but I've pieced together a schematic of what I believe it to be. Gone through every other possibility on why it won't fire...
  8. B

    Dunlite 240VAC 1 phase alternator

    Trying to track down any info on a particular Dunlite alternator, in particular any schematics of both the exciter and alternator and controls. Came fitted to an old Lister single cylinder 6hp diesel. Being an old Aussie built unit, I was kind of surprised at the very little amount I could find...
  9. B

    Ferroresonance battery charger

    Recently had one of these in the workshop. Capacitor had gone open and replaced no problems. Would like to know a bit more about the theory of operation of these particular chargers if anyone has a link at all.
  10. B

    Arduino inaccessible

    Anyone having the same problem accessing the Arduino site....? Have been through the recommended fixes but still no go.
  11. B

    Searching fusible resistors

    Currently have a 220v ac LED driver with a pair of blown 400v capacitors which also took out an inline 15 ohm fusible resistor on the bridge rectifier input. Searched around but found the replacement resistor options rather limited and expensive. Intend to bin the whole box and dice but just...
  12. B

    Instructables...now and then

    Get some real crackpots on instructables however, now and then an exception comes along. Very clever fellow......... https://www.instructables.com/id/DIY-BB8-Fully-3D-Printed-20cm-Diameter-First-Proto/
  13. B

    characteristics P6KE200A

    Have an smps out of a HP Compaq with no output. Tracked down to no startup voltage whatsoever. Checked all surrounding components which appear ok. Curious about the ( TVS) P6KE200A diode as it shows a similar diode in the attached schematics. Actually the circuit below is almost identical in...
  14. B

    online pcb manufacture preferences

    Usually knock out my own pcb's but decided it may be time to join the current trend and look at online arrangements. Spent the last couple of days familiarising myself with EasyEDA schematic and pcb software and I am about to place an order. This is a free utility where one can generate the...
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    Advice re inductor on motor neutral

    Have a small induction motor on sliding gate I just finished building. Motor unit is a commercially built unit and during the initial start it fair clunks into operation. After that it it relatively smooth. Motor is similar in arrangement to that show in the diagram. (500w AC 220v) Just found...
  16. B

    Security camera problem

    Have a couple of new security cameras I bought off Ebay (only cheapies) thought I might be able to use on my existing system. However, the output, although bnc connector, and I assumed would be analog and ok, comes up with oblique lines. Assuming something to do with different output type than...
  17. B

    What did we do before LEDs

    Local Xmas lights in a nearby suburb. Seems it is an addictive and VERY competitive passtime at this time of year. Not just the one house but many the same/similar. I'm curious where they get these things as many times I've seen one or two example at local hardware but never as many as this...
  18. B

    New layout sucks

    new layout is a pia......previously all the latest discussion was in one heading. Now you have to hunt through endless headings....absolutely stuffed it all.
  19. B

    Voltmeter ideas

    Before Arduino back in 2004, mate of mine was building a 4 cylinder engine for his scale loco and I built him a water temperature gauge with over-temp alarm. Unit has an isolated analog voltmeter as the readout and all worked out fine. From memory I made the meter up from a VU meter but can't...
  20. B

    Nail Polish Remover PCB

    Came across this video, seems fairly simple procedure for toner transfer with good results. As with many of these things, works for some but not for others. Guess just try and see. Edit:......Curious though as to which chemical actually does the job....:):):) Ingredients Acetone, Aqua...
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