Owner manual

-
81
-
This is the electronic bird circuit that you built fo
r
Project 6 (The Woodpecker), but now it has
a
photoelectric control of the transistor base. Thi
s
c
rcu
t
s act
vate
y
g
t, so you can use
t as an
early bird wake up alarm
.
To make the sound of the bird, press the key. You can
modify the control so that the right amount of ligh
t
will set o
ff
the bird and wake you up in the mornin
g
– not too early and not too late
.
From the ori
g
inal electronic bird, we have chan
g
ed
only a
f
ew component values, and rearranged th
e
circuit schematic.
S
ee if you can find the chan
g
es an
d
rearran
g
e the circuit so that it looks like Project 6. Us
e
the s
p
ace
p
rovided to redraw the schematic
.
No
t
es
:
EXPERIMENT #63: “THE EARLY BIRD GETS THE WORM”
S
chemati
c
Wiring
S
equence
:
1
-
29
2
-30
3
-1
0
7-1
09
4
-27-1
37
5
-
41
-
110
15
-
88
16
-2
8
7
6
-
8
7-1
06
-4
0
119
-
42
-
11
5
75-116
10
5-
108
1
2
0
-1
38