Just Like the old Lego Torsen Differential in every way accept different parts It's more durable and it works better.
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https://www.youtube.com/watch?v=6oNm01wcvrs
Quick update on LEGO BB-8. A Ping-Pong Ball was the perfect size for BB-8's Head. Now to get the head placement better and some paint. Trying to make a simpler LEGO BB-8.
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https://www.youtube.com/watch?v=4F6s2qKGVDE
A very small and efficient Lego Technic 2 speed automatic transmission. Smooth switching direct auto shift mechanism. 2 auto switching gear ratios.
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https://www.youtube.com/watch?v=0H31e3KJ96M
If you ever have a Lego servo motor that is not working correctly try this method to repair it.
If that doesn't work here is a copy of a Lego servo. It's nonproprtional but It's less than $15. https://amzn.to/3p3NHnk
Here is a $100 (Yes one hundred dollar )Lego servo. I guess they are getting rare. https://amzn.to/3yODkbH
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https://www.youtube.com/watch?v=UZG389GA36k
A larger and more powerful Lego robot dog. This time Lego Boston Dynamics Big Dog gets a makeover. You were warned in the thumbnail.
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https://www.youtube.com/watch?v=3cuKfk7mT9U
Small scale lego R/C pink Cadillac tank. These girls are mean and ready for trouble. Borrowed from my daughters Lego Model 10260 Downtown Diner and customized with tank treads and remote control. Powered with a tiny custom LIPO battery and an Sbrick. It's dimensions are only 14cmX10cmX9cm.
How to use custom LIPOs with LEGO: https://youtu.be/0EDv0chrJF0
How to add a JST battery connector to an SBrick: https://youtu.be/3JQbtcxGtfU
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https://www.youtube.com/watch?v=rcMXPFVG4I0
I lead you through programming a lego ev3 brick to have remote control steering with an IR transmitter. You need the steering to return to center automatically. If you are making a Lego car or drivable robot you might need to know how to program your lego EV3 brick to control a rack and pinion steering motor with the IR controller.
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https://www.youtube.com/watch?v=tOepkPQut0Q