For those with Electronic Background....
05-20-09, 01:31 PM
#1
Rotary Enthusiast
Thread Starter
For those with Electronic Background....
I need a simple electronic circuit that will help me accomplish what is depicted in the attached pic. This is for a more personal project but I know there is talent in this forum and I am no "wizzard" with electronics.
Basically when the switch is off I want the motor to turn in one direction indefinitely until and if it hits a stop at which point its Voltage would drop and its current would go sky high and then it shuts off (I'm guessing a current limiting or voltage drop cut off can be used)
When the switch is placed in the on position(12V) i want the motor to run in the opposite direction (reverse polarity) until and if it hits a stop at which point it shuts off again.
Any help is greatly appreciated.
Best regards,
Chris
Basically when the switch is off I want the motor to turn in one direction indefinitely until and if it hits a stop at which point its Voltage would drop and its current would go sky high and then it shuts off (I'm guessing a current limiting or voltage drop cut off can be used)
When the switch is placed in the on position(12V) i want the motor to run in the opposite direction (reverse polarity) until and if it hits a stop at which point it shuts off again.
Any help is greatly appreciated.
Best regards,
Chris
06-01-09, 12:11 PM
#2
Wire monkey
Join Date: Nov 2006
Location: Camberley, Surrey, UK
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I need a simple electronic circuit that will help me accomplish what is depicted in the attached pic. This is for a more personal project but I know there is talent in this forum and I am no "wizzard" with electronics.
Basically when the switch is off I want the motor to turn in one direction indefinitely until and if it hits a stop at which point its Voltage would drop and its current would go sky high and then it shuts off (I'm guessing a current limiting or voltage drop cut off can be used)
When the switch is placed in the on position(12V) i want the motor to run in the opposite direction (reverse polarity) until and if it hits a stop at which point it shuts off again.
Any help is greatly appreciated.
Best regards,
Chris
Basically when the switch is off I want the motor to turn in one direction indefinitely until and if it hits a stop at which point its Voltage would drop and its current would go sky high and then it shuts off (I'm guessing a current limiting or voltage drop cut off can be used)
When the switch is placed in the on position(12V) i want the motor to run in the opposite direction (reverse polarity) until and if it hits a stop at which point it shuts off again.
Any help is greatly appreciated.
Best regards,
Chris
How big is the motor - in terms of current / power rating required ?
A couple of change over relays with suitable electronics or mosfet motor drive circuit - if you do a search on the web you could find something suitable. Sounds like fairly simple control logic is what you want - maybe a modified window winder module might work (the sort that come with alarms to wind up all the windows when you set it) ?
06-02-09, 01:13 PM
#3
Rotary Enthusiast
Thread Starter
How big is the motor - in terms of current / power rating required ?
A couple of change over relays with suitable electronics or mosfet motor drive circuit - if you do a search on the web you could find something suitable. Sounds like fairly simple control logic is what you want - maybe a modified window winder module might work (the sort that come with alarms to wind up all the windows when you set it) ?
A couple of change over relays with suitable electronics or mosfet motor drive circuit - if you do a search on the web you could find something suitable. Sounds like fairly simple control logic is what you want - maybe a modified window winder module might work (the sort that come with alarms to wind up all the windows when you set it) ?
http://www.electromen.com/commondata/vkem-140a.pdf
Any insight?
Thanks.
Chris
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