ABCD 1 2 3 4 5 6 ABCD 1 2 3 4 5 6

1

2

3

4

5

6

VCC

C8

GND

AVCC VCC

B

Y1

C2 C1

GND VCC 21

AREF PD0(RXD) PD1(TXD) PD2(INT0) PD3(INT1) PB6(XTAL1/TOSC1) PD4(XCK/T0) PD5(T1) PB7(XTAL2/TOSC2) PD6(AIN0) PD7(AIN1)

9 10

GND

8 22

2-A0 2-A1 2-A2 2-A3

2 3 4 5 6 11 12 13

RX TX 1-A0 1-A1 1-A2 1-A3 DATA CLOCK

GND 1-A0 1-A1 1-A2 1-A3

18 19

12

14 15 16 17 18 19

MOSI MISO SCK

VCC

SCK RESET

1 3 5

500 2 4 6

+5 MOSI

R2

LED1

JP2

23 22 21 20

12

VCC

P$2 P$1

VCC

R6

23 21

GND

R-EXT OE

GND 2 DATA CLOCK 3 LATCH 4 SDO 22

1

SDI CLK LE SDO

GND

OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15

5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

ROW2

COL1

CL1-1 CL1-2 CL1-3 CL1-4 CL1-5 CL1-6 CL1-7 CL1-8 CL2-1 CL2-2 CL2-3 CL2-4 CL2-5 CL2-6 CL2-7 CL2-8

COL2

MBI5026-GN

A

B

GND

GND

VCC

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

A0 A1 A2 A3 E0 E1

GND

GND

AVR_SPI_ISP

VCC

GND

1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17

IC4

TRIMPOT2

VCC

R4

ROW3 RW3-1 RW3-2 RW3-3 RW3-4 RW3-5 RW3-6 RW3-7 RW3-8

24 23 21

GND

R-EXT OE

GND SDO CLOCK LATCH

2 3 4 22

1

SDI CLK LE SDO

GND

OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT8 OUT9 OUT10 OUT11 OUT12 OUT13 OUT14 OUT15

MBI5026-GN

74HC154 GND

5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

COL3 CL3-1 CL3-2 CL3-3 CL3-4 CL3-5 CL3-6 CL3-7 CL3-8 CL4-1 CL4-2 CL4-3 CL4-4 CL4-5 CL4-6 CL4-7 CL4-8

C

COL4

GND

GND

GND JP1

IN

RX TX DTR

10uF J2

C9

OUT GND

10uF U1 C10

VCC

POWER_JACKSLT

GND CTS VCC TXO RXI DTR

VCC

D

GND

IC2 24

18 19

VCC

MISO

E0 E1

RW1-1 RW1-2 RW1-3 RW1-4 RW1-5 RW1-6 RW1-7 RW1-8 RW2-1 RW2-2 RW2-3 RW2-4 RW2-5 RW2-6 RW2-7 RW2-8

24

VCC

GND 2-A0 2-A1 2-A2 2-A3

J1

A0 A1 A2 A3

GND

LATCH

IC5

GND

C

23 22 21 20

74HC154

PB0(ICP) PB1(OC1A) PB2(SS/OC1B) PB3(MOSI/OC2) PB4(MISO) PB5(SCK)

GND GND

23 24 25 26 27 28

IC3

TRIMPOT1 ROW1

10K

20 7

PC0(ADC0) PC1(ADC1) PC2(ADC2) PC3(ADC3) PC4(ADC4/SDA) PC5(ADC5/SCL)

1 2 3 4 5 6 7 8 9 10 11 13 14 15 16 17

C7

GND

PC6(/RESET)

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

R5

C4

1

VCC

10K

S1

IC1 24

ATMEGA328P-PU

R3

R1

C3

C5

SJ1

10K

A

VCC

VCC C6

DTR

D

GND GND

1

2

3

4

5

6