c3−4,5 − 12V From 10Amp Battery c3−3 +

120 VAC

Generator Control System May 21, 2007 version 1.7 Martin Nile

12 Volt Unreg From AC

+12 c3−1

c3−3 Remote Start c3−2

+5 7805

unused 10k

1

4n26

5

2

R1

7

4

VCC c6

4

Receive Data (from display) 2

3 2 5

+5

20pf

.1uf

Stop/Run

LCD Display

20pf

10uf

Tx Data (to display) 3

9

8 GND

16Mhz

Optical Tach Sensor

yellow 1 5

120Ohm red 2,3

10

2

PB0 (in + pullup)

PD2 in + pullup

QRB1114 green 4

4

r3 +5

R2

220

c5

Tach

14 +12 +12

9 PD0 (RXD) in PB1 out

PD1 (TXD) out

1

15 Start

relay 1

16

Starter Solenoid c2−4

4

Emergency Stop (estop) 17 PB3 in + pullup c2−5

ULN2003

+12

MOSI D IRLZ24N

Green c1−1

G Stepper Coil 1 D1

6

PB2 out

16

2

Kill

relay 3

15

Decompression Solenoid

PD4 out

c2−3

stepper 1 S

r4

Orange

+12

White/ c1−3 Black

+12

ATMega8

10Ohm 10W *3

PD3 out

+12

1k 3

5

14

stepper 3 G

White/ c1−2 Green

12

(PB3)

PD6 out

D

+12

c3−7

9

MOSI 10 RESET 6 SCK 4 2

+5 ISP Socket 1,3,5,7

MISO Red

D

c1−4

PB4 in + pullup

IRLZ24N 11

G stepper 2

Stepper Coil 2 D2

PD5 out PB5 in + pullup

S

18

c1−7

Stepper Limit Lo (yellow)

19

c1−8

Stepper Limit Hi (blue)

d1 1

Black

VO/Diesel Solenoid

120VAC c3−6

IRLZ24N

Stepper D3 Coil 3

c3−8

VO/Diesel 5,6,7,8

S

relay 4

+5 Reset

10k r5

Reset

+12

White c1−6

10Ohm 10W *3

S

Factory: 1mhz internal SUT1 = 1 SUT0 = 0 CKSEL3 = 0 SKSEL2 = 0 CKSEL1 = 0 CKSEL0 = 1 CKOPT = 1

PD7 out

PC1 ACD1

24

PC2 ACD2

D

IRLZ24N

LM35

GND G D S

Ground

Fuse Settings: 0 = programmed = 1 = unprogrammed =

stepper 4 13 G

+5 Temp

Stepper Motor: slo−syn M061−FD−6008 .33 Ohm/coil 3.8 amp 1.4V

23

c4 +5

IRLZ24N

Stepper Coil 4 D4 White/ c1−5 Red

PC0 ACD0

16Mhz Crystal SUT1 = 1 SUT0 = 0 CKSEL3 = 1 CKSEL2 = 1 CKSEL1 = 1 CKSEL0 = 1 CKOPT = 1

22

Aref 21

AVcc .01uf

20

25

5 3

VO Temp

180 Ohm +5 remove for LM35 r7

in+pullup PC3 in+pullup PC4

27 Diesel Empty

2

Water Temp (VDO 10−180 Ohm)

c7 (lm35)

c2−2 Oil Pressure (VDO 10−180 Ohm)

+5 c2−6

+12

c2−7 relay2

28 4

Glow Plug

13

.1uf +12

+5

LM 35

c2−1 r8

180 Ohm 26 UCO Empty

PC5

1uf 3 red 5 yellow 2 black

c2−8