Schematic

1 2
3 4
5 6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VDD
1
DOUT
2
DIN
3
DIO12
4
RESET
5
RSSI
6
DIO11
7
RES
8
DTR
9
GND
10
DIO4
11
CTS
12
DIO9
13
RES
14
DIO5
15
RTS
16
DIO3
17
DIO2
18
DIO1
19
DIO0
20
RESET
13
AREF
42
AVCC
24
AVCC
44
D+
4
D-
3
GND
15
GND
23
GND
35
GND
43
PB0(SS)
8
PB1(SCK)
9
PB2(MOSI)
10
PB3(MISO)
11
PB4(ADC11)
28
PB5(ADC12)
29
PB6(ADC13)
30
PB7
12
PC6
31
PC7
32
PD0(SCL)
18
PD1(SDA)
19
PD2(RX)
20
PD3(TX)
21
PD4(ADC8)
25
PD5
22
PD6(ADC9)
26
PD7(ADC10)
27
PE2/HWB
33
PE6
1
PF0(ADC0)
41
PF1(ADC1)
40
PF4(ADC4)
39
PF5(ADC5)
38
PF6(ADC6)
37
PF7(ADC7)
36
UCAP
6
UGND
5
UVCC
2
VBUS
7
VCC
14
VCC
34
XTAL1
17
XTAL2
16
VCC
VBUS
D-
D-1
D+
D+1
ID
ID1
GND
GND1
1
2
3
4
5
6
7
8
9
10
11
12
13
14