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2024.12.18 18:57

Sam's Gadget FAQ

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Fig.-2.56-Flat-wire-winding-300x224.jpg 12VDC and a TTL allow sign to run. The motor/scanner meeting is mostly a separate module in older gear requiring only DC power and an allow sign to run. RF modulator. This often accepts a DC voltage for energy, a management voltage to pick Tv/VCR, and will output on channel three or 4. - IR receiver module (for remote control). See the part: High Voltage Power Supply Module from Monitronix EZ Series Monitors for one instance. Large B/W TVs and Color TVs and screens will provide 15 to 30 kV. 7/8" gap, magnetized N-S on the faces. Surplus locations sometimes cost $three to $6 each for one of these magnets. Note: A couple of older magnetrons used AlNiCo magnet assemblies and even probably electromagnets which are not almost as interesting. However, you probably will not see any of those. - Large laborious disk drives - particularly full top 5-1/4" excessive performance varieties - e.g., Seagate WREN sequence or Micropolous boat anchors (the rare earth magnets in these are wicked). Magnets salvaged from scrapped computer drives are robust! - We use them to hold old blankets that cover a vintage automobile saved in garage. Thus, they are more likely to have gobs of messy toner all around the inside while you finally get your arms on them!


2001 However, count on to make a large number disassembling the cartridge as there will nonetheless be appreciable toner remaining inside. How do I Make a Harddrive Motor Spin? Still-good ones make attention-grabbing dialog pieces when lit at a hundred and twenty VAC (half working voltage) when mounted in a stable fixture. A microwave oven with its energy cord lower or eliminated AND its excessive voltage capacitor safely discharged is an inanimate object. Trigger transformer - generates a four to eight kV pulse to hearth the xenon tube from a small a hundred and fifty to 300 V capacitor discharge. The flyback transformer is a plug-in unit. But that's not all: If you take away the image tube capacitance and the deflection coil then all peak power demand have to be delivered from the primary winding of the road transformer. See the section: Why the Yoke is needed to keep the Horizontal Deflection System Happy for more info. The ferrite is extraordinarily hard however very brittle so care must be used to extract these from the yoke meeting - see the part: Disassembling Loudspeakers to Get at the Magnets. You might be tempted - these spindle motors which are a part of the identical massive previous clunky harddrives that yield really highly effective magnets seem like they could be good in that subsequent robotics mission if only you may work out what all these darn wires were for!


I usually use a desoldering pump like Solda-Pullet(tm), (not the cheap quick one) but this could nonetheless injury the fantastic PCB traces. Here is a quick easy experiment to strive with these highly effective magnets: Slide one such magnet over a thick aluminum plate. If you wish to experiment with this impact: use a chunk of iron attracted in the direction of a magnet, heat the iron with a flame and above a moderately sharply outlined temperature it won't be attracted anymore. The patent describes a building methodology that fuses the whole assembly together at high temperature. A fairly decent vacuum can be required - the patent claims 15 microns. Someone took his into a pub on approach home and everybody had an ideal time with it until people beginning checking their (then magnetic) watches. Change the poles, then you will notice among the filings soar away. See the section: Sam's Super-Starter(tm) for a selected example of this kludge, um, err, method for beginning massive HeNe laser tubes.


To see the way it features, move a salt crystal somewhat, if it occurs to get on a unique magnet pole, then it'll leap away. It may be seen by rubbing laborious rubber or glass till they get sizzling, then they are going to entice sand, iron filings, salt, and other things. This implies the steel magnet changed the magnet poles within the iron filings, and so that they jumped away. Strong magnet will 'stick' to wall at the nail location. Power provide - Depending on the model, these may plug directly into the AC line or be powered from a wall adapter. Power will both be the AC line (WARNING: Very dangerous) or a DC supply (typically 12 to 24 VDC). WARNING: The toner is a possible health hazard. It is normally potential to take away simply the touchpad and controller board to use as a stand-alone timer with a switched output.



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