Cargo transport challenge

https://youtu.be/NkFTZ2bPJc0
https://youtu.be/NkFTZ2bPJc0

Gripper control problem fix.

You will notice that when you lift the gripper, it will be lowered under its own weight. To prevent it, look at this picture.

Moving forward program

Tricky part photographed.

Assembled. There is only autonomous robot that need additional assembly. But for now it's enough.

Contraption step 85!

After about 60 steps of robot assembly. I have the base and rudimentary mechanism to lift things. 20 more steps to go and the summer is not over yet!