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Mailbag Bonanza!
Send stuff to:
EEVblog Mailbag
PO Box 7949
Norwest NSW 2153
AUSTRALIA
Forum: https://www.eevblog.com/forum/blog/eevblog-1516-mailbag-bonanza!/
00:00 - Mailbag Bonanza!
02:24 - Australian Signals Directorate 75th Aniversary 50 Cent Coin
05:07 - One-Shot Relay!
07:20 - Olight Torch Bonanza!
https://www.olightstore.com.au/s/P7TWZN
08:20 - Olight Marauder 2 14,000 lumen torch
18:29 - Olight RN1500 Bike Light
23:02 - Olight Perun 2 Headlamp
29:54 - Dreo Macro Max S HEPA Air Purifier
https://www.dreo.com/products/dreo-macro-max-s-air-purifier
38:34 - Does it produce any dangerous Ozone?
41:19 - Let's check out the FCC report and teardown photos
46:01 - Hoymiles solar microinverters!
https://www.hoymiles.com/au/products/microinverter/
51:06 - Is it potted?
55:31 - Noyafa NF8601S Ethernet cable tracer
https://www.noyafa.com/products/tdr-cable-length-tester-nf-8601-s.html
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#ElectronicsCreators #Mailbag

By YTB

23 thoughts on “Eevblog 1516 – mailbag bonanza!”
  1. Avataaar/Circle Created with python_avatars MCUdude says:

    Are there any updates regarding the uSupply? It would be awesome if it ended up as a product one day!

  2. Avataaar/Circle Created with python_avatars pa4tim says:

    Before I retired I had an outdoor shop and I sold Olights, they are very good flashlights. Still have one for my own use . The brightest they sold wayback then. It runs on a small 12V battery and the light is over 10 years old . Had a hard life but still works. Only problem is it won't change its brightness anymore.

  3. Avataaar/Circle Created with python_avatars Marco Reps says:

    did someone say ppm?

  4. Avataaar/Circle Created with python_avatars Knuckles the Echidna says:

    I love the Olights! They are slowly putting more neutral white LEDs into their torches and the 2xAA model even has a beautiful warm white LED option ❤️ now I hope they put high CRI LEDs in their torches!

  5. Avataaar/Circle Created with python_avatars Patrik Molinder says:

    Where is the pinned coin comment? 🪙

  6. Avataaar/Circle Created with python_avatars DGO says:

    "it is very sexy" – please don't try that. There is the special "fleshlight" for that purpose.

  7. Avataaar/Circle Created with python_avatars ReeDreamer says:

    Do it!

  8. Avataaar/Circle Created with python_avatars Fluxkompressor says:

    As with every shitty "999.999 Lumens!!11" Aliexpress lamp out there, every claim is just BS, even with the expensive ones
    Ignore the ratings with an asterisk which say it will dimm down because of heat dissipation and take the 1600 Lumens rating for example:
    7,5h runtime on a 54Wh Battery will give you 7,2W. That is 222lm/W
    I know there are 300lm/W LEDs now, but only in the lab and only directly measured without any driver losses
    I think it is more like 1000 lm. 7,2W might be right
    Since virtually no one has an ulbricht sphere at their disposal it is just not possible to proof this claims wrong

  9. Avataaar/Circle Created with python_avatars Tom Storey says:

    "junction cupboard" = IDF (Intermediate Distribution Frame)

  10. Avataaar/Circle Created with python_avatars slothsd says:

    please remove the potting from that inverter.

  11. Avataaar/Circle Created with python_avatars Jasper Waale says:

    If the air filter is able to make white noise also, its a winner for bedrooms

  12. Avataaar/Circle Created with python_avatars AffordBindEquipment says:

    spring relay could also be for explosive atmospheres since it's sealed.

  13. Avataaar/Circle Created with python_avatars Ian Moore says:

    What’s coming up next week Dave, highlights from your knitting class? However, I do love your work

  14. Avataaar/Circle Created with python_avatars Thomas W says:

    Please stick with electronics and put coins on second channel.

  15. Avataaar/Circle Created with python_avatars TheJackOfEverything says:

    I dont think you know what challenge coins are.

  16. Avataaar/Circle Created with python_avatars Tiago Ferreira says:

    I want to see that inverter guts 😁! Maybe the potting compound is sticking because isn't fully cured, by experience i know that polyurethane adhesives are somewhat slow to get fully cured.

  17. Avataaar/Circle Created with python_avatars Zardox The Heretic Slayer says:

    regarding the coins; as long as it doesn't slow down normal content, go for it, I'll certainly watch them.

  18. Avataaar/Circle Created with python_avatars ckonrad666 says:

    Looks like Dave is just another youtube sellout just pimping products……

  19. Avataaar/Circle Created with python_avatars Benjamin says:

    Call it "Fun with Coins"

  20. Avataaar/Circle Created with python_avatars Alan Van Dusen says:

    Do it, you said we would ask.

  21. Avataaar/Circle Created with python_avatars jobos98 says:

    O Lights are Very Expensive lights.
    That large light might cost in the Hundreds of Dollars.
    & the small ones around $80.00

  22. Avataaar/Circle Created with python_avatars Phillip Rhodes says:

    I think you need at least 5 home solar control systems. You can never have too many of those things running around.

    As for the coin stuff… meh. Not really my cup of tea. I probably wouldn't watch those.

  23. Avataaar/Circle Created with python_avatars Bryan Tasler says:

    It's a fan for piss' sake. I can't help but wonder if you scrutinized your vacuum cleaner with the same amount of zeal.

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