Vcc
Vcc
E
MOTOR A
R1
1K
Q2 D1
SS8550
B
C
Vcc
1N4007 Vcc
6V
Vcc
BATT
R2 1K
U2
C
POWER 2
1
LOW BAT.
1 1
3
2
R5 2K
Vcc
ADJ.
C4
9
R9 2K AIN0
8
D3
1N4007
E
7405
AIN1
Q1 SS8050
B
100uF 2
R6 1K
R4 2K
D2 Vcc
Vcc
E
MOTOR B
R10
1K
Q3
2xF
SS8550
B
1
D5
2 C
Vcc
1N4007 STOP 1
AT89C2051
2
R13 1K
U1 U2
2
P3.0 (RXD)
(AIN0) P1.0
12
3
P3.1 (TXD)
(AIN1) P1.1
13
6
P3.2 (INT0)
P1.2
14
7
P3.3 (INT1)
P1.3
15
8
P3.4 (T0)
P1.4
16
9
P3.5 (T1)
P1.5
17
P1.6
18
4xF Vcc
Vcc
1
2
4xR R7 1K
R8 1K
1
2
11
AIN0 AIN1
10
C
Q4 SS8050
B
Vcc
MOTOR A
3 Vcc 2
N
N/S
11
2 1
P3.7
P1.7
RST/VPP
3 S
1
XTAL1
R11
MOTOR B’
1K
SS8550
1N4007 MOTOR A’ R14 1K
U2 13
12
C
Q6 SS8050
B
1
3.579545 MHz C2
C3
30pf
30pf
D6
1N4007
E
7405
C1
D7
C
19
4
22uF Vcc
Vcc
E
R3 1K
MOTOR A’
R12
1K
Q7 SS8550
B
D9
C
Vcc
1N4007 R15 1K
U2 1
2
C
Q8 SS8050
B
E
7405
TITLE
EQ2 motor driver
FILE:
eq2_driver.sch
PAGE
1
1
A
2
B
3
B’
4
A’
Q5
Vcc
XTAL2
5
Vcc
E
MOTOR B’ MOTOR B
X1
Vcc
2
LED1
MOTOR
1N4007
E
7405
B
1
D4
OF
1
D8
1N4007
REVISION:
1.0
DRAWN BY:
Juan M. B.