Add Re: Switch-mode Supply For Bug Zapper (Fwd)

Re%3A Switch-mode Supply For Bug Zapper %28Fwd%29.-.md

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+<br>To: High Voltage checklist Subject: Re: Switch-mode provide for [portable bug zapper](https://dirtydeleted.net/index.php/Bug_Zapper_-_Hackaday) [UV bug zapper](https://reviews.wiki/index.php/User:MarthaBruner0) (fwd) You need the components for the steel you intend to use. Different types have different losses. You get hold of this from the mfgr. Digi-Key has some cheap IR type emitters & detectors. Have the fly crawl a distance, like 4-6 inches contained in the tube, after which, he triggers the IR beam which controls the [UV bug zapper](https://wavedream.wiki/index.php/It_Is_Very_Powerful). A small single ended NST works great for this software. The current will burn them right up. The fly hits the IR beam at the 1/2 mid-means point which energizes a small grid in each path. The midpoint has a piece 2 inches long with no grid. They grow to be trapped and can't exit both route with out getting zapped. You could possibly also use a 600 Ohm to 10K audio xmfr. They make nice HV sparks working in a pulsed mode. If the time duration is brief, like 1-2 sec, they may also charge a cap rectified with a 1/2 wave diode in a short while period. Then the charged cap waits for the fly. The charging cycle happens each 5 minutes and is controlled by a 555 IC chip --- a small relay controls the ability section. You place sugar crystals in the tube and at the tip of the tube use a small glass check tube so you possibly can see your accumulated flies to adjust the time periods. The flies will accumulate and then attempt to exit the charged grid part. The one now we have 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 components for the snubber. HV rectification and that I'd need a string of excessive-speed diodes.<br>
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