PimentoUK Posted April 26 Share Posted April 26 Here's one I remembered from UK electronics retailer Maplin, who had their own magazine: Maplin-Electronics-1995-June https://www.worldradiohistory.com/UK/Mapelin/Maplin-Electronics-1995-06.pdf Page 12 ( of the magazine ) has the project, with explanations of the working principles etc. ----------------------------------- For interest: World Radio History has a huge archive of hobbyist electronics magazines, as well as loads of other stuff. It's well worth a browse: https://www.worldradiohistory.com/ Here's an entire project book on 'treasure hunting', including an interesting article on geophysics/earth resistance etc techniques: https://www.worldradiohistory.com/UK/Electronics-Today-UK/ETI-How-To-Build-Gold-Detectors.pdf 4 Link to comment https://www.detectorprospector.com/topic/28207-what-no-bat-detectors/page/2/#findComment-295676 Share on other sites More sharing options...
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