EEVblog 1444 - XMAS Mailbag - Page 1
Forum section: electronics / general

author: EEVblog
author_rank: Unknown
timestamp: December 14, 2021, 01:00:58 pm
content: XMAS Mailbag featuring Mrs EEVblog, Sagan, and Huxley!Badgehttps://bit.ly/3m3t4YjRF AntennaDigitalCool PCB Coaster:https://www.tindie.com/stores/digitalcool/Neon photos from a future Indian EECasio OH-7000G overhead projector calculatorTrevor's Benchhttps://www.youtube.com/c/TrevorsBenchCircuit Mess Nibble STEM kit:https://circuitmess.com/nibble/kWh meterSpotty solder paste dispenser:https://avdweb.nl/tech-tips/pcb/solder-paste-dispenser1980's Appliance control from your phoneCurz Scanner:https://shop.czur.com/products/et16plus?variant=39593283289136Coupon code: CZURDAVE

author: SeanB
author_rank: Super Contributor
timestamp: December 14, 2021, 02:45:59 pm
content: If you want to read the magazine, without the old magazine smell and feelhttps://worldradiohistory.com/Archive-Poptronics/60s/61/Pop-1961-11.pdf

author: tchicago
author_rank: Regular Contributor
timestamp: December 14, 2021, 03:32:23 pm
content: Hi, Dave, Merry Christmas! (although, the XMAS is a religious thing and me being atheist, I enjoy it big time nevertheless)Could you please take a closer look at this document scanner thingy to see if the bottom base can be separated and re-mounted for easier travelling with this device?

author: Unixon
author_rank: Frequent Contributor
timestamp: December 14, 2021, 09:38:59 pm
content: Dave, I think you've seen these antenna shapes before!First one on 32:08 is just a couple of ducks and the next one is a couple of dolphins.Someone at NetGear had way too much fun

author: DIYDan
author_rank: Newbie
timestamp: December 14, 2021, 11:25:41 pm
content: I thought you'd find the Animal Immobilizer quite interestingIt's basically a 12V DC to 10V AC converter (not sure exactly how it works?). It's not used to electrocute an animal. The low power AC interferes with the electrical brain to muscle signal, temporarily and harmlessly paralyzing the animal.

author: EEVblog
author_rank: Unknown
timestamp: December 15, 2021, 06:52:58 am
content: Quote from: tchicago on December 14, 2021, 03:32:23 pmNope, you'd have to dissasemble the whole thing.

author: thm_w
author_rank: Super Contributor
timestamp: December 16, 2021, 10:36:30 pm
content: Those 3 optics on the side are horizontal IR lasers (I assume, since it was never visible)."CZUR’s Proprietary “Book Curve Flattening” technology utilizes three precise laser lines for incredible scanning accuracy and image clarity."

author: TassiloH
author_rank: Regular Contributor
timestamp: December 17, 2021, 05:54:50 pm
content: The 3 optics on the side are actually RED lasers. You don't see them on screen because the screen image is not being updated while the lasers are on, but they are very visible when using that thing. As they are red, the whole flattening does not work that well on magazines with red print (text boxes, advertisements and so on). The funny thing is, one can manually edit the flattening curvature in the software. It then presents the image taken with the laser lines, so that one can move the flattening curve (essentially splines with 10 movable points or so). And it is easy to recognize the laser lines on these images even on red background. So the whole "AI" recognizing the lines is not that intelligent. It seems to just look for a bright red line, but on red background it is overexposed and more like a white line on red background and the "AI" fails.When scanning glossy magazines, glare is an issue. For me, it worked best with all ceiling lights off, the top light in the scanner off, just using the additional lamp that is attached with magnets. Oh, and direct sunlight from a window is an issue of course unless there is really no shadow in the scanning area. So I used it on cloudy days only. It is still faster and less annoying than scanning a bunch of magazines for documentation/archival purposes on a regular scanner. If you are willing to cut the objects being scanned into single sheets, a regular scanner with ADF would be the preferred option.

author: Fungus
author_rank: Super Contributor
timestamp: December 25, 2021, 02:15:06 pm
content: Quote from: DIYDan on December 14, 2021, 11:25:41 pmCan't wait for the teardown and demonstration.

author: Fungus
author_rank: Super Contributor
timestamp: December 25, 2021, 03:05:00 pm
content: The electronic analogy quiz has got me a bit stumped...