3. Receiver Side Reference Circuit
Gnd
1
Digital Output
2
Linear Out
3
Vcc
4
Vcc
5
Gnd
6
Gnd
7
ANT
8
U1
RLP434A
VSS
10
DIN
15
OSC2
16
OSC1
17
VT
18
VDD
19
A8
11
A9
12
A10
13
A11
14
A0
2
A1
3
A2
4
A3
5
A4
6
A5
7
A6
8
A7
9
NC
1
NC
20
U2
HT12D
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
SW1
SW DIP-8
ROSC 43K
+5V
+5V
C1
0.1u
1
E1
ANTENNA
4. Transmitter and Receiver Status table
Transmitter Side
Receiver Side
“ON”
Button
“OFF”
Button
AD8 AD9 AD10 AD11 A8 A9 A10 A11
Pressed
released 0 0 X X 0 0 X X
x pressed
1 0 X X 1 0 X X
released released Power off
Hold the status when button
pressed
Note:
Please refer to the datasheets of HT12E and HT12D for detailed information
about encoding and decoding circuit.
Laipac Technology, Inc. |
www.laipac.com
|
Tel: 1-(905)762-1228 Fax: 1-(905)763-1737
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