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Mechanical, electronic or programmatic design of a robot.
7
votes
How to open a sliding window?
As others have said in comments, a screw is probably your best bet. It's mechanically pretty simple to set up, and could be made to look fairly tidy, which is always nice in a home.
But the main prob …
5
votes
Accepted
Good book on mechanisms
The best book I have seen on the subject of mechanisms is Mechanisms And Mechanical Devices by Neil Sclater and Nicholas P. Chironis.
It's got loads of great mechanisms in it, from simple linear mo …
1
vote
Effectiveness of a Mobile Robot In Relation To Mass
The square cube law mentioned by user65 is a good one. In fact, these kind of laws are fundamental when looking at machines of various sizes. For mobile robots, as Josh mentioned, power is a serious p …
2
votes
Is it better to have weight distributed over the wheels or the center of the robot?
Just to add a little to ronalchn's excellent answer:
Changing the weight distribution in the robot in a way that doesn't change the position of the centre of mass will affect the Moment of Inertia, w …
8
votes
What is the best way to power a large number (27) servos at 5 V?
It's always difficult speccing the power supply for a robot, and you've hit the exact problem we all face. Do you spec it to cope with the typical load, or the absolute maximum load when all motors ar …