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CURTAIN CONTROL BLOCK DIAGRAM
WEBCAM
"SEES" AREA IN FRONT
OF WINDOW
LAPTOP
DETECTS POSITION OF
PEOPLE AND SENDS
TARGET POSITION AS
BYTE VALUE;
RECEIVES REAL CURTAIN
POSITION AS BYTE VALUE
MICROCONTROLLER
RS232
CONNECTED MECHANICALLY
NIKLAS ROY / 2010 / www.niklasroy.com
DRIVES DC GEARMOTOR
PID-CONTROLS
DC GEARMOTOR
END SWITCH
H-BRIDGE
ROTARY ENCODER
DC GEARMOTOR
CURTAIN CONTROL SERVO MOTOR ASSEMBLY
T O R
R M O
A
E
G
D C
C H
SW I T
D
]
E
E
R
T C H
SW I
D
[E N
N E T
M A G
N
D O
F IX E
B E L T
D I SC
E L T
B
D
T H E
T O O
A R Y
R O T
R
O D E
E N C
D I SC
L T
D B E
T H E
O
T O
T A IN
C UR
NIKLAS ROY / 2010 / www.niklasroy.com
N
D O
F IX E
B E L T
1 & 2
E R S
T
P
U
T E R R
O IN
T
O
P H
CURTAIN CONTROL SCHEMATIC
PID ADJUSTMENT POTIS
POSITION FEEDBACK
PHOTOINTERRUPTER [2]
D-ADJUST
I-ADJUST
P-ADJUST
RESET
[ROTARY ENCODER DISC]
RXD
PHOTOINTERRUPTER [1]
TXD
100N
INT0
ADC2
INT1
ADC1
PD4
ADC0
END SWITCH
16MHZ
22P
ATMEGA8
22P
SCK
MISO
MOSI
PB2
PB0 OC1A
CONNECTION TO DC GEARMOTOR VIA
H-BRIDGE [CHIP: VNH3SP30]
I'VE USED THIS VERY RELIABLE KIT:
http://bit.ly/9H79io
IN-A
PWM
IN-B
DOCUMENTATION:
http://bit.ly/a2Lb8u
www.robotikhardware.de
RNMINIHBRIDGE
NIKLAS ROY / 2010 / www.niklasroy.com