Collection of Graphics Used

Fig 1: Board Position Copper Side Up.



Fig 2: Lines Showing Connections.



Fig 3: Circuit Connections Made Thicker. Board Ready to Etch.



Fig 4: Component Side View



Resistors

100 K

Brown

Black

Yellow

100 K

Brown

Black

Yellow

100 K

Brown

Black

Yellow

22 K

Red

Red

Orange

18 K

Brown

Grey

Orange

16 k

Brown

Blue

Orange

15 K

Brown

Green

Orange

12 K

Brown

Red

Orange

11 K

Brown

Brown

Orange

9.1 K

White

Brown

Red

8.2 K

Grey

Red

Red

 

Other Components

Capacitor (Orange, Green, or Burgundy with 2 wires)

Photoresistor (Flat orange/white disk with 2 wires)

Battery Clip (Red and Black Wires)

IC Socket

8 Potentiometers (Black disk or Blue rectangles, 3 wires)

Speaker

Wire bundle

9 V Battery

Fig 5: Keyboard Component List



Fig 6: Keyboard Schematic