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12VDC and a TTL enable signal to run. The motor/scanner assembly is mostly a separate module in older gear requiring only DC energy and an allow signal to run. RF modulator. This usually accepts a DC voltage for energy, a control voltage to pick out Tv/VCR, and will output on channel three or 4. - IR receiver module (for remote management). See the section: High Voltage Power Supply Module from Monitronix EZ Series Monitors for one example. 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 typically charge $three to $6 every for one of these magnets. Note: A number of older magnetrons used AlNiCo magnet assemblies and even possibly electromagnets which are not practically as interesting. However, you probably will not see any of these. - Large laborious disk drives - particularly full height 5-1/4" excessive performance sorts - e.g., Seagate WREN sequence or Micropolous boat anchors (the uncommon earth magnets in these are wicked). Magnets salvaged from scrapped pc drives are sturdy! - We use them to carry old blankets that cover a vintage automobile stored in garage. Thus, they usually tend to have gobs of messy toner everywhere in the inside when you finally get your palms on them!

However, count on to make a mess disassembling the cartridge as there'll nonetheless be appreciable toner remaining inside. How do I Make a Harddrive Motor Spin? Still-good ones make attention-grabbing dialog items when lit at one hundred 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 fire 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: In the event you remove the picture tube capacitance and the deflection coil then all peak energy demand must be delivered from the first winding of the line transformer. See the part: Why the Yoke is needed to maintain the Horizontal Deflection System Happy for extra information. The ferrite is extraordinarily onerous however very brittle so care must be used to extract these from the yoke assembly - see the part: Disassembling Loudspeakers to Get on the Magnets. You're tempted - these spindle motors which can be a part of the identical massive old clunky harddrives that yield really highly effective magnets look like they can be good in that next robotics project if only you possibly can work out what all these darn wires have been for!

I usually use a desoldering pump like Solda-Pullet(tm), (not a budget short one) but this may still injury the advantageous PCB traces. Here is a fast simple experiment to try with these powerful magnets: Slide one such magnet over a thick aluminum plate. If you want to experiment with this effect: use a bit of iron attracted in direction of a magnet, heat the iron with a flame and above a slightly sharply outlined temperature it won't be attracted anymore. The patent describes a building technique that fuses all the assembly collectively at high temperature. A reasonably decent vacuum is also required - the patent claims 15 microns. Someone took his into a pub on method residence and everyone had a terrific time with it till people starting checking their (then magnetic) watches. Change the poles, then you will notice some of the filings jump away. See the section: Sam's Super-Starter(tm) for a particular example of this kludge, um, err, strategy for beginning massive HeNe laser tubes.

To see how it capabilities, transfer a salt crystal slightly, if it occurs to get on a different magnet pole, then it will soar away. It can be seen by rubbing exhausting rubber or glass until they get hot, then they may appeal to sand, iron filings, salt, and different things. This implies the steel magnet changed the magnet poles within the iron filings, and in order that they jumped away. Strong magnet will 'stick' to wall at the nail location. Power provide - Depending on the model, these might 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 provide (usually 12 to 24 VDC). WARNING: The toner is a possible well being hazard. It's usually doable to take away just the touchpad and controller board to make use of as a stand-alone timer with a switched output.

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