From 6c273bc3da64869dc0c5f856bf44a6c0f7a7bea4 Mon Sep 17 00:00:00 2001 From: Angel Loane Date: Wed, 22 Oct 2025 23:33:26 +0800 Subject: [PATCH] Add Re: Switch-mode Supply For Bug Zapper (Fwd) --- Re%3A Switch-mode Supply For Bug Zapper %28Fwd%29.-.md | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 Re%3A Switch-mode Supply For Bug Zapper %28Fwd%29.-.md diff --git a/Re%3A Switch-mode Supply For Bug Zapper %28Fwd%29.-.md b/Re%3A Switch-mode Supply For Bug Zapper %28Fwd%29.-.md new file mode 100644 index 0000000..aff7b9c --- /dev/null +++ b/Re%3A Switch-mode Supply For Bug Zapper %28Fwd%29.-.md @@ -0,0 +1,9 @@ +
To: High Voltage record Subject: Re: Switch-mode supply for bug zapper (fwd) You want the elements for the steel you intend to use. Differing kinds have completely different losses. You get hold of this from the mfgr. Digi-Key has some cheap IR kind emitters & detectors. Have the fly crawl a distance, like 4-6 inches contained in the tube, [Zap Zone Defender](https://omnideck.org/index.php/Yearly_The_Miller_Moths_Invade) after which, he triggers the IR beam which controls the zapper. A small single ended NST works nice for this software. The current will burn them proper up. The fly hits the IR beam at the 1/2 mid-approach point which energizes a small grid in each direction. The midpoint has a section 2 inches long with no grid. They become trapped and can't exit both direction without getting zapped. You might additionally use a 600 Ohm to 10K audio xmfr. They make nice HV sparks operating in a pulsed mode. If the time duration is short, like 1-2 sec, they might additionally charge a cap rectified with a 1/2 wave diode in a short while interval. Then the charged cap waits for the fly. The charging cycle happens every 5 minutes and is managed by a 555 IC chip --- a small relay controls the power part. You set sugar crystals within the tube and at the end of the tube use a small glass test tube so you possibly can see your accumulated flies to regulate the time durations. The flies will accumulate after which try to exit the charged grid part. The one we've got uses a standard laminated iron, 50Hz transformer. I'd like, so I'm taking a look at making a switchmode version. 2) Ditto for sizing the parts for [Zap Zone Defender](https://koessler-lehrerlexikon.ub.uni-giessen.de/wiki/Bug_Zapper_Light_-_The_Ebook_Evangelist) the snubber. HV rectification and that I'd want a string of excessive-speed diodes.
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Carbon dioxide is what they really seek, since we and other animals emit it once we exhale. Mosquitoes know that if they follow that vapor path, there can be a tasty animal on the other finish, able to be bitten. To supply carbon dioxide, the Dynatrap uses a broad kind of funnel above the fan, coated with titanium dioxide (TiO2). The producer claims that when the ultraviolet mild reacts with the TiO2, "a photocatalytic response takes place that produces carbon dioxide." This is the method it uses, instead of burning propane like other traps. However, when the University of Wisconsin tried to measure the quantity of carbon dioxide emitted, they reported that they detected none at all. One reviewer identified that the TiO2 surface would wish coated with a source of carbon, like dust or lifeless bugs, in order for [Zap Zone Defender Testimonial](http://zerodh.co.kr/bbs/board.php?bo_table=free&wr_id=274681) the method to make carbon dioxide. See the assessment here (scroll right down to Dr. Marsteller’s remark).
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