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???
04/04/07 06:51
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#136553 - Well i think that Relay is Best Solution for you,
Responding to: ???'s previous message
Well Ajay by using two relays, you can create the Effective H-Bridge,

well here is the Idea,

Both The Relays are connected to +ve and gnd of the battery, (no matter what volt) and third contact should be connected to Motor, Here is the Schimettics


Pin (X)                        Pin (Y)

VCC(NO)------o	           o------(NO)VCC  
              \         
               0---(M)---o
                          \
GND(NC)------0             o------(NC)GND


well here is the Truth Table for your Directions of Motor,

X Y Dir
0 0 STOP
0 1 Clock-Wise
1 0 Anty-Clock Wise
1 1 Stop

Note: Well i think that you might understand that how much the impact is destructable when you connect the Relay Direct to MCu, well if you dont know then you are prpbbably going to brust your MCu's pins (boom)

Well i have created that circuit and my Motors are just going fine, and yes if you also want to control the ON/OFF then connect the third Relay also to any of GND of the Two Relays,

With Regards
Asif Ali (DareDevil)



List of 19 messages in thread
TopicAuthorDate
High current Dc motor controller            01/01/70 00:00      
   More detail required            01/01/70 00:00      
   try these ics            01/01/70 00:00      
      for drivers, there is, in my opinion, ONE source            01/01/70 00:00      
   I would use a MOSFET instead of relay            01/01/70 00:00      
   more details            01/01/70 00:00      
      Well i think that Relay is Best Solution for you,            01/01/70 00:00      
         Not suitable - no speed control!            01/01/70 00:00      
            800 A ???            01/01/70 00:00      
      Are you sure?            01/01/70 00:00      
         High is relative            01/01/70 00:00      
      you need a H-bridge as has been mentioned            01/01/70 00:00      
         Topology is simple            01/01/70 00:00      
            Tutorial            01/01/70 00:00      
               good info            01/01/70 00:00      
         The +1 karma point came from me,...            01/01/70 00:00      
   relay will work ,but            01/01/70 00:00      
   better power amp            01/01/70 00:00      
      READ the question            01/01/70 00:00      

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