0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
A
A
B
B
C
C
D
D
E
E
F
F
G
G
H
H
I
I
VCC
5V
GND
SW1B
200mA LED
SW2B
2A LED
SW3B
20A LED
SW5B
30V LED
SW6B
150V LED
SW7B
300V LED
SW8B
600V LED
GND
GND
E1
VCC
E3
600V
E4
300V
E5
150V
E6
30V
E7
20A
E8
2A
E9
0.2A
E11
V/I
E2
GND
VCC
5V
GND
SW5A
30V Range
SW6A
150V Range
SW7A
300V Range
SW8A
600V Range
SW1A
200mA Range
SW2A
2A Range
SW3A
20A Range
GND
Designed by:
Approved by:
Sheet
of
Revision:
Size:
2105-072
V. Sanfilippo
CLARK
1
1
H
B
DWG #.:
Valhalla Scientific, Inc
12127 Kirkham Road
Poway, CA 92064
(858) 457-5576
Valhalla Model 2105
Switch Board
Section:
U1
ATTINY88-PU
PC6 1
PD0
2
PD1
3
PD2
4
PD3
5
PD4
6
VCC
7
GND
8,22
PB6 9
PB7 10
PD5
11
PD6
12
PD7
13
PB0 14
PB1 15
PB2 16
PB3 17
PB4 18
PB5 19
AVCC
20
PC7 21
PC0 23
PC1 24
PC2 25
PC3 26
PC4 27
PC5 28
SW4
V/I
C1
0.1uF
RN2
220
R x
8 Networ
k
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
RN1
L101C103
10k
2
3
4
5
1
6
7
8
9
10
GND
L1
47uH
RN3
470
2
3
4
5
1
6
7
8
9
10
GND
R1
470
VCC
5V
