Ds18B20 Module - Qianglongsheng Electronic Technology MCD-DEMO-II Manual

DEMO-II Copyright of Qianlongsheng Electronics Technology (Shenzhen) Co., Ltd.
4.7 DS18B20 Temperature Module
This module mainly shows the use of temperature sensors DS18B20, as shown in Figure 4-11.
The module consists of the following major components:
1) Temperature Sensor DS18B20 socket.
2) Jumper wire J17 (to be used as a switch).
Descriptions on this module:
1) DS18B20 is an optional product to be purchased.
2) DS18B20 information included in the CD-ROM provided along with product.
3) DS18B20 output by connecting jumper wire J17 to the RA2 pin of the MCU.
4) When this module is in use, we must ensure that access jumper wire is in the connected state, when not in use, we
must ensure that the jumper wire is in disconnected status.
5) examples about DS18B20 were included in the CD-ROM for reference.
The schematic of this module is shown in Figure 4-12.
RA2
Figure 4-11 DS18B20
J17
R34
10K
Figure 4-12 schematic of DS18B20
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VC C
C20
104P
3
VDD
2
DQ
1
GND
U8
DS 18B20