Fish tape is a tool used to pull electrical wires through walls. It feeds into the wall, attaches to the wire, and then pulls ...

If you want to read something from magnetic tape, you need a tape head, right? Or you could do like [Igor Brichkov] and make your own. It looks surprisingly simple. He used a washer with a small sl… ...

An alternative for thin wires is to strip back twice as much insulation as required, and then double the wire back on itself to increase its diameter and provide a snug fit in more commonly available ...