1
2
3
4
5
U2
DHT22
A
U3
5VDC
VCC
1 1 IN(-)
B
S1
Soil Moisture Sensor
6
+
5
-
Moisture Sensor
OUT(-)
1 VCC
LM2596
4 4
4 GND
OUT(+) 3 3
3 N/C
2 2 IN(+)
2
1
DHT22
+5V
2 DATA
H1
12V DC input
A
VCC
GND
+5V
B
RLY1
12V Relay
4
3V/5V
3
GND
2
D0
1
A0
P1
water sprinkler
1 +12V
U1
ESP8266-01
2 GND
D1
ANT
1N4007W
JP1.1
JP1.2
JP1.3
LED1
R1
1k
JP1.4
JP1.5
JP1.6
JP1.7
JP1.8
C
RST
TX
A0
RX
D0
D1
D5
D2
D6
D3
D7
D4
D8
GND
3V3
5V
JP2.2
Q1
2N3904
JP2.3
JP2.4
JP2.5
JP2.6
JP2.7
JP2.8
+5V
GND
12V water pump
R2
4.7k
JP2.1
GND
C
USB
D
D
TITLE:
Sheet_1
REV: 1.0
Company: Your Company
Date:
1
2
3
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2025-01-19
5
Sheet: 1/1
Drawn By: holawaleh A
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