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Schematic

Layout

Preview

Debugging Port
5V
PS1
Manufacturer Part Number
HLK-PM12
3.3V
3.3V
5V
5V
3.3V
5V
3.3V
5V
3.3V
3.3V
5V
5V
3.3V
12V
5V
5V
3.3V
3.3V
3.3V
5V
12V
12V
RXD0
GPIO26
SCL
GPIO4
GPIO0
EN
GPIO15
GPIO4
EN
GPIO0
TXD0
GPIO15
RXD2
GPIO23
TXD0
GPIO34
RXD0
SDA
GPIO23
GPIO27
GPIO27
RXD0
GPIO19
TXD2
TXD2
GPIO19
GPIO14
GPIO34
GPIO32
GPIO35
SCL
GPIO33
GPIO32
GPIO25
RXD2
GPIO18
GPIO35
GPIO18
GPIO14
GPIO13
TXD0
GPIO12
GPIO5
GPIO13
GPIO26
GPIO12
GPIO25
GPIO5
EN
SDA
GPIO33
SDA
SCL
K1
Q2
Q4
R12
Resistance
10kΩ
R8
Resistance
10kΩ
220VAC Input
U1
R15
Resistance
100 Ω
R5
Resistance
4.7kΩ
R14
Resistance
100 Ω
R13
Resistance
100 Ω
R6
Resistance
4.7kΩ
Q1
R3
Resistance
100 Ω
R1
Resistance
10kΩ
R4
Resistance
4.7kΩ
R2
Resistance
470 Ω
R11
Resistance
100 Ω
R7
Resistance
4.7kΩ
R9
Resistance
10kΩ
L1
Designator Prefix
33uH
SW1
Part Type
Reset Button
U2
Manufacturer Part Number
AMS1117-3.3
U5
B1
R10
Resistance
10kΩ
D2
SIM 7600 Port
BZ1
4x4 Matrix eypad
U4
.1
C8
Capacitance
470uF
Max Reverse Voltage
25v V
D3
Q5
DC PUMP
C10
Capacitance
1000uF
C1
Capacitance
1uF
LED1
MG990R
LED2
C2
Capacitance
1uF
Graphics LCD Screen
C3
Capacitance
0.1uF
C4
Capacitance
10uF
Q3
C7
Capacitance
0.1uF
C6
Capacitance
220uF
Max Reverse Voltage
12 V
C5
Capacitance
1uF
LM2596S-5.0/NOPB
Manufacturer Part Number
LM2596S-5.0/NOPB

Smart Vending System Control Board