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$2 for 2Layer, 5pcs & $5 for 4Layer, 5pcs: Previous video: Schmitt Trigger video: Facebook: Twitter: Support me for more videos: You can download the schematics for all of the circuits here: You can get the Buy version here (affiliate links): In this episode of DIY or Buy we will be having a closer look at a cable tracker. It is a tool that is used to locate wires in you wall. This is helpful to drill holes in your wall or to locate a fault in your wiring. I will show you how the sender and receiver functions and afterwards I will create a super crude, but functional DIY version in order to find out whether we should Buy the product or create our own DIY version. Let’s get started!
