I am just starting in Arduino and am starting to build a diy robot arm. So far i am using a pan-tilt servo mount bracket, 3 MG 995 servo motors and a LewanSoul mechanical claw. When I put the claw/gripper on today the tilt bracket was on an angle and the weight of the claw and servo caused the tilt bracket to turn downward until it hit the base I have it on. When I put power to the tilt motor it holds the tilt bracket up and in place. Is there a way to keep the arm from tilting down when the power is off? Is there a way to balance the arm so there isn't as much weight on the motors? Do I have a weak servo motor? Would a stronger motor be better?
A counterbalance weight may be necessary. You have found the nature of servo motors. What is it a problem?
"What is it a problem?"
I'm not sure. It's a little annoying but nothing major. I've heard that moving a servo without power can damage the servo. This is my first time using servos and building something like this. I suppose buying a kit would be easier but...... I know I need to learn how to set the servos in "home" position and then put the round horn on the gear better so it is balanced. It's all a fun learning process. I may need to use a different bracket for the arm.
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