1
1
2
2
3
3
4
4
D D
C C
B B
A A
VCC1
34
GND3
43
RST
13
XTAL2
16
XTAL1
17
AVCC1
44
AVCC
24
AREF
42
VCC
14
GND
15
GND1
23
GND2
35
UCAP
6
UVCC
2
D-
3
D+
4
UGND
5
VBUS
7
(ADC0)PF0
41
(ADC1)PF1
40
(ADC4/TCK)PF4
39
(ADC7/TDI)PF7
36
(ADC6/TDO)PF6
37
(ADC5/TMS)PF5
38
(OC0B/SCL/INT0)PD0
18
(SDA/INT1)PD1
19
(RXD1/AIN1/INT2)PD2
20
(TXD1/INT3)PD3
21
(ICP1/ADC8)PD4
25
(XCK1/#CTS)PD5
22
(T1/#OC4D/ADC9)PD6
26
(T0/OC4D/ADC10)PD7
27
(#HWB)PE2
33
(INT6/AIN0)PE6
1
(OC3A/#OC4A)PC6
31
(ICP3/CLK0/OC4A)PC7
32
(SS/PCINT0)PB0
8
(SCLK/PCINT1)PB1
9
(PDI/MOSI/PCINT2)PB2
10
(PDO/MISO/PCINT3)PB3
11
(ADC11/PCINT4)PB4
28
(PCINT5/OC1A/#OC4B/ADC12)PB5
29
(PCINT6/OC1B/OC4B/ADC13)PB6
30
(PCINT7/OC0A/OC1C/#RTS)PB7
12
PAD
45
U1
Atmega32u4
C3
22pF
C4
22pF
X1 16MHz
GND
SW1
GND
VCC
1
D-
2
D+
3
GND
4
USB1
USB
2
1
3
5
6
4
SW3
KET 8X8
GND
USB_D-
USB_D-
USB_D+
USB_D+
5V
C6 104
GND
5V
L1
10uH
C5 1uF
GND
GND
C7
1uF
5V
GND
R7 22R
R8 22R
C8
104
C9
10uF
5V
GND
C10
10uF
C11
10uF
C12
104
3V3
AGND
AGND
R9
1K
LED1
红色
GND
1 2
3 4
JP4
3V3
5V
GND
PD0
R4 10K
GND
RXLED
PB4
PB5
PB6
PB7
PD0
PD1
PD2/RX
PD3/TX
PD4
TXLED
PD6
PD7
PF0
PF1
PF4
PF5
PF6
PF7
PC6
PC7
5V
PB6
PF0
PF1
PF4
PF5
PF6
PF7
PE6
PC6
PB7
1
2
3
4
5
6
7
8
JP8
3V3
GND
PD2/RX
PD3/TX
1
2
3
4
5
JP7
5V
3V3
GND
PD2/RX
PD3/TX
1
2
3
4
JP9
PD3/TX
PD2/RX
GND
5V
K1
K2
K3
K4
K5
GND
4
2
5
1
2
6
7
JP1
1
2
3
4
JP2
GND
GND
PE6
1 2
3 4
JP6
3V3
5V
GND
PB7
1 2
3 4
5 6
ICSP
MISO
SCK MOSI
RST
RST
R1
10K
C1
104
C2
104
GND
5V
5V
GND
SCK
MOSI
MISO
1
2
3
4
5
6
7
8
9
10
11
12
JP5
1
3
3
4
JP10
5V
GND
PC7
1
2
3
4
JP11
5V
GND
PD0
1
2
3
JP12
5V
GND
PD0
1 2
3 4
5 6
7 8
9 10
11 12
JP13
GND
5V
3V3
1
2
3
4
5
6
7
8
9
10
11
12
JP14
GND
GND
PD0
PC6
PB6
PF0
PF1
PF4
PF5
Vin
3
1
Vout
2
GND
V1
AMS1117
C13
104
R2
1K
R3
1K
RX
红色
TX
红色
5V
RXLED
TXLED
R5 10K
5V
PD1
PC7 PC7
PD4
PD6
PD7
PB4
PB5
RST
PD1
5V
5V
5V
RST
XTAL1
XTAL2
XTAL1
XTAL2
5V
USB供电口
3.3V稳压电路 OLED/TFT接口(SPI) OLED接口(IIC)
复位电路
晶振电路
串口指示灯
ICSP接口 蓝牙/WIFI接口 DS18B20接口 DHT11接口
独立按键
指纹模块接口 串口
8路通用IO接口
Atmega32u4主控芯片
PB6
电压输出接口 HX711接口
绿深旗舰店
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