Phototheramin

Step 8: Step 6 - Add the Speaker

Look on the back of the speaker and find the “+” sign and the wire next to it. Run the wire from the backside of the card through the “+” hole and use copper tape to attach it to the copper tape below the 2N3906 transistor. Make sure the metal on the wire is touching the metal on the copper tape. Run the other speaker wire from the backside of the card through the other hole and use copper tape to attach it to the copper tape along the bottom. Make sure the metal on the wire is touching the metal on the copper tape. Use the double-sided foam tape to attach the metal part of the speaker to the back of the chipboard card.