Metal Detector Kit

Features

• avoid disasters when drilling holes in walls
• locate pipes, cables, metal studs, &
• great project for novices
• your own unique application
• push button operation

Specifications

• metal detecting distance adjustable: up to 3.15"
• power supply: 9V battery (not incl.)
• LED indication
• 12VDC-buzzer connection (buzzer not included)
• dimensions: 2.2" x 2.5"

Extras

• Hints

  • If you experience difficulties with the calibration of the unit (ie if the LED doesn't turn off, when there isn't any metal present ), replace C1 with a ceramic 1.2nF (122) capacitor. This behaviour is due to a spread on the component values and differences created when winding the coils.
  • For those wanting an audible signal, space is provided on the print for connecting a buzzer type SV8. The small PCB has been specially designed to be incorporated into the separately available casing type G407.