FK919 Metal Detector
Tips & Techniques

Preparing an enameled wire for use in the FK919 Metal Detector Kit.

This is a “Construction Tip” for achieving a reliable solder joint with the enameled wire used in our FK919 (Metal Detector” kit).

A common symptom of a problem:
The FK919 often does not work when first assembled.

The real issue:
The enameled wire of the coils does not solder easily, unless the insulating enamel outer layer is first removed from the wire.

A possible solution:
View our short video of some tips on how to avoid this problem.
We recommend trimming the wire to 15 mm longer than needed for assembly in the kit, then clean and prepare the wire end as demonstrated here.

Related posts