User`s manual

ROBOT . HEAD to TOE
Product User’s Manual – SD02B
Created by Cytron Technologies Sdn. Bhd. – All Rights Reserved
13
5.3 Connecting to Switches (without microcontroller)
User may also use switches to generate pulses and control the direction of stepper motor.
Here is an example of SD02B connected to switches.
Above figure shows the sample connection using switches to control SD02B and drive a
stepper motor. S1 act as pulses generator, S2 will control the direction of stepper motor while
S3 will disable SD02B if pressed.
C1
25V 100uF
C2
25V 10uF
VCC
12V IN
1
GND
2
OUT
3
U?
LM7805
EN
X
FAN & HEAT SINK
SD02B
!X
Y
!Y
Reset
Power
Te s t
!X
Vmotor
GND
!Y
DIR
Y
X
GND
Signal
Vi n
EN
PU LS E
GND
Stepper
12V
CCP 1
Direction
VCC
UART
NC Gnd TX RX
4K7
R1
S1 S2
S?
SW- P B
4K7
R2
DirectionPULSE
VCC
4K7
R3
EN