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The metal detector is verya specific and unusual tool that may not be necessary for every person. Despite its uniqueness, the metal detector is a dream for many people.
Most people try to buy such equipment, but you can do it yourself. Detailed instructions of the metal detector 'Terminator 3' and the scheme are offered by many specialized forums. Look for this information in this article. Metal detector 'Terminator 3' This model of a metal detector is considered by many to be one of the most popular. The developers of the device are users of one of the forums on the Internet. It is worth noting immediately what to assemble with your own handsThe metal detector will be very difficult for those who have never been interested in such equipment before. It will be really difficult to do this kind of work, but do not be scared: just carefully prepare for the process and collect all the necessary details and elements.
Depth of detection The search for a metal detector of coins and other items can be carried out at different depths: • Five rubles - 22-24 cm. • Catherine's heel - 27-30 cm. • The helmet is about 80 cm.
• A beer can is a meter or more. All of the above parameters are calculated for sensorswith 240 mm on the wire and chernozem soil. Separately it is worth mentioning the discrimination of the metal detector 'Terminator 3' by many users, which is completely unfair: unlike its analogues, which can determine only the depth of occurrence of an object, this model determines the metal from which the object is made. Assembling a metal detector To assemble and adjust the metal detector you will need the following equipment: • Oscilloscope.
The file is read and plotted. •: Mininum cost network flow problem from, but uses put facility to write arcs and computed flows to a file mincost.dat. 
•: Transportation Problem expressed as an LCP. Here is the fancier program, which divides the polygon into 'pie slices' and plots them each in a different color. • Some simple examples illustrating the use of the Matlab Optimization Toolbox routine linprog:, • Some examples illustrating the use of the Matlab Optimization Toolbox routine quadprog, on convex and nonconvex problems:,,,,.
• The multimeter. • Frequency meter. When you purchase the entire set formetal detector will have to pay a tidy sum. To save money, many users prefer to limit themselves to a virtual measuring system based on a personal computer.
Find suitable software designed for such purposes, you can on the Internet. Metal Detector Scheme By its design, the metal detector 'Terminator3 'is a standard coin that underwent some changes that allowed it to detect gold and ignore other non-ferrous metals.With the use of the scheme with a special regime of' all metals ', the device can search for any scrap metal. Non-standard application of logic as an op ampis the basis of the scheme of the metal detector. The disadvantage of this is the extra noise and unknown KU of all the chips. Of course, you can use the domestic logic to create the device, but this threatens with too much variation in parameters. Reduce the damage and avoid additional problems by replacing the sound chip with a domestic analogue.
Cost of a metal detector The price of the metal detector 'Terminator' is inmiddle range. If compared with similar devices of the same category, then 'Terminator 3' bypasses them by such parameters as the accuracy of identifying the object and the depth of the search. More inexpensive analogues are much inferior to 'Terminator 3' in all respects. Metal detector setting The diagram of the metal detector indicates certainnodes, which are taken into account, since with further assembly will have to focus on them.