Schematic

ICSP
+5V
3x2M_NM
8x1F-H8.5
6x1F-H8.5
GND
+5V
1u
GND
GND
GND
GND
GND
1u
Green
GND
+5V
M7
GND
NCP1117ST50T3G
100n
MF-MSMF050-2 500mA
Yellow
GND
+5V
+5V
GND
CG0603MLC-05E CG0603MLC-05E
MH2029-300Y
1M
100n
VUSB
+5V
VUSB
UGND
22R
22R
22R22R
1uF
+5V
NM NM
MH2029-300Y
1uF
100n100n
GND
ATMEGA32U4-XUMU ATMEGA32U4-XUAU
10u
100n
10u
10u
GND
UGND
TS42
22p
22p
GND
GND
GNDGND
GND
GND
GND
1K 1K
1K 1K
Yellow Yellow
GND
8x1F-H8.5
10x1F-H8.5
10K
10K
10K
10K
16MHz KX-7
FDN340P
GND
100n
GND
+5V
LMV358IDGKR
LMV358IDGKR
CD1206-S01575
USB MICRO
GND
1 2
3 4
5 6
ICSP
J2
1 2 3 4 5 6 7 8
J4
1 2 3 4 5 6
C11
C14
ON
D1
1
1
2
2
3
3
IC1
1
IN
3
OUT
4
2
C6
F1
L
Z1 Z2
L2
R1
C13
RN3A
18
RN3B
2 7
RN3C
36
RN3D
45
C7
R2 R3
L1
C5
C2C1
U1
(#HWB)PE2
33
(ADC0)PF0
41
(ADC1)PF1
40
(ADC4/TCK)PF4
39
(ADC5/TMS)PF5
38
(ADC6/TDO)PF6
37
(ADC7/TDI)PF7
36
(ADC11/PCINT4)PB4
28
(ICP1/ADC8)PD4
25
(ICP3/CLK0/OC4A)PC7
32
(INT6/AIN0)PE6
1
(OC0B/SCL/INT0)PD0
18
(OC3A/#0C4A)PC6
31
(PCINT5/OC1A/#OC4B/ADC12)PB5
29
(PCINT6/OC1B/OC4B/ADC13)PB6
30
(PCINT7/OC0A/OC1C/#RTS)PB7
12
(PD0/MISO/PCINT3)PB3
11
(PDI/MOSI/PCINT2)PB2
10
(RXD1/AIN1/INT2)PD2
20
(SCLK/PCINT1)PB1
9
(SDA/INT1)PD1
19
(SS/PCINT0)PB0
8
(T0/OC4D/ADC10)PD7
27
(T1/#OC4D/ADC9)PD6
26
(TXD1/INT3)PD3
21
(XCK1/#CTS)PD5
22
AREF
42
AVCC
24
AVCC1
44
D+
4
D-
3
GND
15
GND1
23
GND2
35
GND3
43
PAD
EXP
RESET
13
UCAP
6
UGND
5
UVCC
2
VBUS
7
VCC
14
VCC1
34
XTAL1
17
XTAL2
16
U2
(#HWB)PE2
33
(ADC0)PF0
41
(ADC1)PF1
40
(ADC4/TCK)PF4
39
(ADC5/TMS)PF5
38
(ADC6/TDO)PF6
37
(ADC7/TDI)PF7
36
(ADC11/PCINT4)PB4
28
(ICP1/ADC8)PD4
25
(ICP3/CLK0/OC4A)PC7
32
(INT6/AIN0)PE6
1
(OC0B/SCL/INT0)PD0
18
(OC3A/#0C4A)PC6
31
(PCINT5/OC1A/#OC4B/ADC12)PB5
29
(PCINT6/OC1B/OC4B/ADC13)PB6
30
(PCINT7/OC0A/OC1C/#RTS)PB7
12
(PD0/MISO/PCINT3)PB3
11
(PDI/MOSI/PCINT2)PB2
10
(RXD1/AIN1/INT2)PD2
20
(SCLK/PCINT1)PB1
9
(SDA/INT1)PD1
19
(SS/PCINT0)PB0
8
(T0/OC4D/ADC10)PD7
27
(T1/#OC4D/ADC9)PD6
26
(TXD1/INT3)PD3
21
(XCK1/#CTS)PD5
22
AREF
42
AVCC
24
AVCC1
44
D+
4
D-
3
GND
15
GND1
23
GND2
35
GND3
43
PAD
P$1
RESET
13
UCAP
6
UGND
5
UVCC
2
VBUS
7
VCC
14
VCC1
34
XTAL1
17
XTAL2
16
C8
C9
C10
C12
IN
1
ON/OFF
3
NC/FB
4
OUT
5
GND
2
RESET
1 2
3 4
5
C3
C4
18
RN2A
RN2B
27
RN2C
36
RN2D
45
TX RX
J3
1 2 3 4 5 6 7 8
JP1
1 2 3 4 5 6 7 8 9
10
RN1A
18
RN1B
2 7
RN1C
36
RN1D
4 5
Y1
T1
C22
IC2A
2
3
1
IC2B
6
5
7
84
D2
J1
D+
P3
D-
P2
GND
P5
ID
P4
SH1
S1
SH2
S2
SH3
S3
SH4
S4
VBUS
P1
SH5
S5
SH6
S6
+5V
+5V
+5V
+5V
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
AREF
AREF
AREF
RESET
RESET
RESET
RESET
VIN
VIN
VIN
VIN
SCK
SCK
SCK SCK
D-
D+
+3V3
+3V3+3V3
MISO
MISO
MISO MISO
MOSI
MOSI
MOSI MOSIXTAL2 XTAL2
XTAL1 XTAL1
RD-
RD- RD-
RD+
RD+ RD+
UGND
UGND UGND
UGND
XUSB
XUSB
D2/SDA
D2/SDA
D2/SDA
D2/SDA
D2/SDA
IO12
IO12 IO12
D3/SCL D3/SCL
D3/SCL
D3/SCL
D3/SCL
D1/TX
D1/TX D1/TX
D1/TX
IO11* IO11* IO11*
IO11*
IO9* IO9* IO9*
IO9*
IO10* IO10* IO10*
IO10*
A3
A3
A3
A2
A2
A2
A1
A1
A1
A0
A0 A0
A4
A4
A4
A5
A5
A5
D5*
D5*
D5*D5*
D0/RX
D0/RX
D0/RX
D0/RX
VUSB
VUSB
VUSB
VUSB
USBID
AGND
AGND
AGND AGND
RXLED RXLED
RXLED
D6* D6*
D6*
D6*
IO13*
IO13* IO13*IO13*
IO13*
IO8 IO8 IO8
IO8
D7
D7
D7
D7
AVCC AVCC
UCAP UCAP
HWBHWB
D4
D4D4
D4
TXLED
TXLEDTXLED
GATE_CMD
CMP
LL
USB
+5V AUTO SELECTOR
NOT USED
IO ALT1 ALT2 ALT3
EXTPOWER
POWERSUPPLY_DC21MMX
+ +
+
ORIGIN
0 1 2 3 4 5 6 7
8 9 10 11 12 13
USB boot En
TO ICSP
0
1
2
3#
4
5#
6#
7
10#
9#
11#
12
#PWM 8bit
#PWM Hi-Speed
#PWM Hi-Speed
13
8
#PWM 8/16bit
#PWM 16bit
#PWM 16bit
PWM 16bit COMPL D6
#PWM 10bit
+A6
+A7
IOREF RFU
+A11
+A10
+A8
+A9
+PWM COMPL IO10
+AIN0