The following is a circuit that can be used to control the dc motor rotation direction. S1 and S2 are normally open, push to close, press button switches. The diodes can be red or green and are there only to indicate direction. You may need to alter the TIP31 transistor depending on the motor being used. Remember, running under load Draws more current.
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Rangkaian Kontrol Motor DC Sederhana
Password : asinan
This circuit was built to operate a small motor used for opening and closing a pair
of curtains. As an advantage over automatic closing and opening
systems, you have control of how much, or how little light to let into a
room. The four diodes surriunding the motor are back EMF diodes. They are chosen to suit the . motor For a 12V motor drawing 1amp under load, I use 1N4001 diodes.
Absolute Maximum Ratings Transistor TIP31
VCBO Collector-Base Voltage :
TIP31 40V
TIP31A 60V
TIP31B 80V
TIP31C 100V
Collector-Emitter Voltage :
TIP31 40V
TIP31A 60V
TIP31B 80V
TIP31C 100V
Emitter-Base Voltage 5 V
Collector Current (DC) 3 A
Collector Current (Pulse) 5 A
Base Current 1 A
Collector Dissipation (TC=25 C) 40 W
Collector Dissipation (Ta=25 C) 2 W
Junction Temperature 150 C
Storage Temperature - 65 ~ 150 C
