139Views4Replies

Author Options:

How to use gear motor 9 with Arduino Answered

I am new to robotics. I want to make a robot using Arduino Uno R3. I need to use Gear Motor 9 for that

The problem is that motor needs 50mA current. But arduino only outputs only 40mA current.

I want to supply the motors with another power source and use a switch to connect both the circuits. Can you please tell me what type of switch I can use.

Thanks in Advance. P.S. Sorry if I used any wrong technical terms

4 Replies

user
caitlinsdad (author)2014-11-13

there are motor control shields out the for the arduino. Search for h-bridge circuit to build to take care of that power problem. Good luck.

Select as Best AnswerUndo Best Answer

user
sampath_o2 (author)caitlinsdad2014-11-13

Thank you very much for the reply. motor control shield is costly. Can you suggest a cheaper alternative?

Select as Best AnswerUndo Best Answer

user
caitlinsdad (author)sampath_o22014-11-13

the motor shield is just the h bridge circuit you can build with a few common transistors and components. Search in the box on top for instructables to do it.

Select as Best AnswerUndo Best Answer