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AF Motor Shield V1
No longer in production but available as various clones, this board can
driver two 5V servos and up to 4 motors attached to two L293D drivers.
PWM
Motor | Motor # | Arduino | UNO | MEGA2560 |
Servo | 1 | 9 | Timer1 PB1 | Timer2B PH6 |
Servo | 2 | 10 | Timer1 PB2 | Timer2A PB4 |
L293D IC1 1,2EN | 1 | 11 | Timer2A PB3 | Timer1A PB5 |
L293D IC1 3,4EN | 2 | 3 | Timer2B PD3 | Timer3C PE5 |
L293D IC2 3,4EN | 3 | 6 | Timer0A PD6 | Timer4A PH3 |
L293D IC2 1,2EN | 4 | 5 | Timer0B PD5 | Timer3A PE3 |
Shift register
Q1 1-------16 VCC
Q2 2 15 Q0
Q3 3 14 DS
Q4 4 13 !OE
Q5 5 12 STCP
Q6 6 11 SHCP
Q7 7 10 !MR
GND 8-------9 Q7S
74HCT595 | Function | Arduino | UNO | MEGA2560 |
STCP | STROBE | D12 | PB4 | PB6 |
SHCP | SHIFT | D4 | PD4 | PG5 |
!OE | ENABLE | D7 | PD7 | PH4 |
DS | DATA | D8 | PB0 | PH5 |
Q | Input | Motor # |
0 | L293D IC2 1A | 4 |
1 | L293D IC1 4A | 2 |
2 | L293D IC1 1A | 1 |
3 | L293D IC1 2A | 1 |
4 | L293D IC1 3A | 2 |
5 | L293D IC2 4A | 3 |
6 | L293D IC2 2A | 4 |
7 | L293D IC2 3A | 3 |
L293D
1,2EN 1-----16 VCC1
1A 2 15 4A
1Y 3 14 4Y
GND 4 13 GND
GND 5 12 GND
2Y 6 11 3Y
2A 7 10 3A
VCC2 8-----9 3,4EN
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