Robot HQ

Category: VEX-IQ

Limit Switches for your Lift

I looked around on YouTube for easy solutions to my lift problem: If I wasn’t careful, the lift would go past it’s usable range and break something like a linkage or a gear would pop out. Clearly I needed to add some limit switches to turn off the motor once it reached the upper and …

My students’ first competition!

These kids only started with robotics three months ago and they have only one class per week: I haven’t counted exactly, but it amounts to about 15 hours of training. The competition was at the World Trade Center in Taipei. Have a look, they did pretty well, I’m so proud of them!

Making of 4BDR (Four Bar Double Reverse)


After trying to auto stack with the 4BDR design, we decided that it was too difficult to get the bonus hubs with that robot. (It was a very nice design though). I saw a YouTube video of another auto- stacker, which led to this design. No fancy four bar lift, but a very neat stacking …

Better drive option for 4BDR

Stable Reverse- Double 4 Bar Prototype

VEX IQ reverse- double 4 bar lift

New Robot – 101

I finally got to build a new robot. I named it 101, after the famously tall skyscraper in Taipei. As we discovered in the previous posts, the Flex robot (even after improvements) couldn’t reach high enough to pick up the bonus hubs. This wasted precious time, knocking the hub off the tower and then having to …

Different drive options

Programming IQ

The Next Level challenge also has a programming challenge part. I did a practice run on programming in the living room today.  I wrote a fairly simple little program for the Flex robot to go pick up a hub, deliver it on a little mat and return to the starting location. For fun I also …