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1234
A
B
C
D
4321
D
C
B
A
1
幾小熊出品
L3,12aRodboroughRd
FrenchsForest
NSW
Australia20861
迷你时钟
V1.0
17-Dec-201216:12:58
E:\PCB\protel99sefootdrint\湿度显示器\湿度.ddb-Documents\v1.0.Sch
Title
Size:Number:
Date:
File:
Revision:
SheetofTime:
A4
RST1
RXD2
TXD3
XTAL24
XTAL15
P3.26
P3.37
P3.48
P3.59
GND10P3.711
P1.012
P1.113
P1.214
P1.315
P1.416
P1.517
P1.618
P1.719
VCC20
U3
AT89C2051
RST
1
CE
2
DC
3
DIN
4
CLK
5
3.3V
6
AK
7
GND
8
LCD1
LCD5110
Y1
12M
C830P
C930P
+C3
10UFR2
10K
5V
P1
BNC
S1
SW-SP
OUT4
OUT2
IN3
GND1
U2
3.3VD1LED-B
R1
270R
5V
3.3V
3.3V
4
1
2
3
DT1
DHT11
R3
4.7K5V
+C1
10uF
+C2
10uFC5
104
C6
104
+
C4
10uF
C7
104
K1
KEY
K2
KEY
K3
KEY
K1K2K3K1K2
K3
SCL
SDA
32K1
VCC2
INT3
RST4
NC5
NC6
NC7
NC8NC9
NC10
NC11
NC12
GND13
VBAT14
SDA15
SCL16
DS3231
U1
DS3231
BT1
电池
SDA
SCL3.3V
RES
RESCE
CE
DC
DCDIN
DIN
CLK
CLK
DHT
DHT
时钟
电源
湿度传感器
MCU
显示
人机
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