To come up against an electric cable while drilling a hole in a wall can have catastrophic consequences. Likewise, drilling into gas, water pipes or central heating pipes can be extremely hazardous. With a handy metal detector it can now be determined beforehand whether there are metal objects to be found in a wall, ceiling or floor. An LED indicates if a metal object is in the vicinity.
Features:

1. avoid disasters when drilling holes in walls
2. locate pipes, cables, metal studs, …
3. great project for novices
4. your own unique application
5. push button operation

Specifications:

1. metal detecting distance adjustable: up to 8cm (3.15")
2. power supply: 9V battery (not incl.)
3. LED indication
4. 12VDC-buzzer connection [i](buzzer not included)[/i]
5. dimensions: 56 x 64mm (2.2" x 2.5")

illustrated_assembly_manual_k7102.pdf

assembly_manual_k7102.pdf

resistor_colour_code.pdf

module_diy_kit_guide.pdf