KROT2XM DIP version for sale

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Hello,
I want reduce my collection of homemade metall detectors, to have a reason and build other projects. So I decide, to sell this Krot2XM in the DIP version. If someone is interested, please write a message. Detector coms in the black housing, with coil. But whithout handle, because for all my projects, I use the same handle, made from a monopod.
It is exactly this detector, as shown in the video.
Price is 80 Euro plus shipping.

https://youtu.be/BGKCY6a5s6M

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The unit is working as expected, but in my opinion you need to have some skills in electronics, especially if you want to change the firmeware, or change the frequency.
It comes with working frequency of about 10,4 khz. This depends of the capacitor in TX tank. On the coil bottom side, is a revision hole, to change the frequency and do some measurements. When this hole is closed properly, the coil is water proof of course.
Installed is the last new and free firmeware K2-GAIN-S7.
The best way to manage and handle the detector, is to read the whole thread KROT2-XM.
And of course to watch the YouTube videos by Андрей Остапчук, the autor of this project.
This Krot2 is also the basic of Krot3, there you have changable frequencis.