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connecting tip122 with dc 5volt motor with 8051

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hassan ali

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hi, sorry for my English
i want to control in DC 5 volt motor so i connected it with tip122 and a micro controller to set the base of transistor to became a switch , but the motors doesn't work here is my circuit i want to know if i connect the tip in right way or in wrong way , please help my.

https://obrazki.elektroda.pl/16_1306009074.jpg
 

One possible solution (attached, from a Proteus example):
 

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thank u for ur reply but please write the value of q3 because i can't see it
 

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    zuisti

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Q3, Q4, Q7 and Q8: use small power NPN Si transistors here (like BC107 :)
 
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