330

330

GND

+5V

470nF

100nF510

10K

2N7000

510

PIC18F2455 DB9-M

22K

22K2N7000

1N4148

+12V

+12V

10K

+5V

10K

BS250

1N4148

MCP2551

+5V

GND

100nF

MCP2515

+5V

10uF

15pF

15pF

16Mhz

+5V

100

560pF

100

560pF

100nF

MCP2021

1N4148

78L08+12V

4.7uF

100nF

10K

33K

100nF

V+

V+

MCP1407

1K

D1

D2

D3

R6

R7

C9

C12

R13

R5

Q3

R8

_MCLR1

RA02

RA13

RA24

IC3

RA35

RA46

RA57

GND8

CLKI9

RA610

RC011

RC112

RC213

VUSB14 D- 15D+ 16TX 17RX 18VSS 19VDD 20RB0 21RB1 22RB2 23RB3 24RB4 25RB5 26RB6 27RB7 28

1 62 73 84 95

G1

G2

J2

R10

R9

Q1

D6

R11

R12

Q2

D4

1234

IC1

5678

C4

1234

IC2

56789 10

1112131415161718

C7

C1

C2

X1R4 C6

R3 C5

C8

VBUS

D-D+GND

J1

1234

IC4

5678

D5

GND

IN OUT

IC5

C11

C10

R2

R1

C3

1234

IC6

5678

R14

USBRB4

RB3

RA0

RA3

DB9-5

DB9-3

RC0RC1

RC2

Rx

Tx USB