R11 R
12 R
13
R4
R3
C2
LED
2
U1
C3
LED
1
D
1
R1
VC
C G
ND
R2
D
6
Q1
Q3
R10
Q2
R5
R6
R8
R9
R7
C4
C1
Placa Transmissor
G
ND
VD
C
Fo
nt
e
1K a 10K
Transmitter board
1K a 10K
Power Supply
» If you need to install more pairs in similar conditions as shown below, install the
transmitter (TX) and receiver (RX) making sure a pair does not affect one another.
RX
RX
TX TX
TX RX
RX
TX
Correto
Incorreto
Correct
Incorrect
RX
TX
Correto
Incorreto
RX
TX
TX
TX
RX
RX
Correct
Incorrect
Note:
it is not recommended to cross install two pairs of sensors, as shown in the
image above, in application where an obstacle may cause reflection to the infrared
beam, as a car, for example.
