Uploaded January 2019 | Updated September 2026, 26 minutes ago
For an upcoming model, I needed an 'engine' that would automatically reverse directions every 180ish degrees.
Would have been dead simple to do using an intelligent controller like the EV3 or BOOST, but I really wanted to try and build a mechanical control solution. So far it seems work pretty reliably.
For more of our LEGO model videos, be sure to visit our main channel, JK Brickworks, at youtube.com/user/truedimensions
For an upcoming model, I needed an 'engine' that would automatically reverse directions every 180ish degrees.
Would have been dead simple to do using an intelligent controller like the EV3 or BOOST, but I really wanted to try and build a mechanical control solution. So far it seems work pretty reliably.
For more of our LEGO model videos, be sure to visit our main channel, JK Brickworks, at youtube.com/user/truedimensions










