Basic HTML Version
LED
BOARD
ASSEMBLY
A-16908
(TRANSMITTER-GREEN BOARD)
A __ K
J-~
solder side
component side
schematic
PHOTO TRANSISTOR BOARD
ASSEMBLY
A-16909
(RECEIVER-BLUE BOARD)
C
E
j\
~
~
C
E
solder side
component side
schematic
TYPICAL CIRCUIT DIAGRAM
LED BOARD
Transmitter
, .0-'.4 volts
x
x
X
I
>..
o
•...
'-'
:-~
'::-
---
~~r~J
~,
I ••••••
I
'I}o
I
'"-
--
>
N
-
+
"0
c:
3!
x
:::J
X
0
..2
•...
G3
x
'-'
I
>-
Q.)
~
I
0"1
V
>..
c
0
0
0
•..
•...
Ci5
'-'
0
PHOTO TRANSISTOR BOARD
Receiver
0.' -0.7
volts unblocked
1 1 -, 3 volts blocked
LED BOARD
Transmitter
PHOTO TRANSISTOR BOARD
Receiver
White
Block
Green
o
Blue
o
Infrared Beam
3-15