untitled

3. Insert the wires from the LED, potentiometer, on/off switch, and bat-
   tery pack to the terminal blocks on the breadboard, as shown in
   Figure 12-12.

As you insert the wires, cut each of them to a sufficient length to reach the

assigned terminal block and strip the insulation from the end of the wires.

4. Secure the wires with wire clips where needed.

Handling the handle ...........................................................................

To easily wander around pointing the metal detector at suspected deposits of

metal, you need a handle. Here are the steps to do so:

Wires from Potentiometer Red wire from battery pack

Black wire from on/off switch

Wires from

audio jacks

Red wire

from LED

Black wire

from LED

Figure 12-12:

Connect

the LED,

potentiome-

ter, on/off

switch, coil,

and battery

pack to the

breadboard.

294 Part IV: Good Vibrations