ADEEPT Ultimate Sensor Kit for Raspberry Pi - Page 78

S
Data
+
VCC
-
GND
The schematic diagram:
In this experiment, by programming the Raspberry Pi, we read the temperature value
collected by the DS18B20 module through pin 7 of the Raspberry Pi, and display it on the
terminal.
Experimental Procedures
Step 1: Build the circuit
GND
1
DQ
2
VCC
3
D3
D S 1 8 B 2 0
1
2
3
P1
H e a d e r
S
+
-
220Ω
R1
D1
LED
VCC
GND
10K
R3
1 K Ω
R2
D2
LED
VCC
VCC
VCC
GND
VCC
GND