Micromouse HW specs

[Gopi Palaniappan]

Hello,

Anyone built a high speed high precision ..micromouse grade robot recently?

Could you share your HW specs:

• Motor specs, source
• Encoder specs, source
• motor controller
• microprocessor board
• sensors

Bonus points if anyone used a PiZero or Arduino based unit . Most of the designs I see use rtos or parallax..not sure if that's to get max efficiency or to reduce weight(may be both) 

Extra points, if you know of a good started platform.. few I found:

• double gearbox, https://www.pololu.com/product/114
  
• 3Pi, https://www.pololu.com/product/975
  
• miniQ, https://www.dfrobot.com/product-555.html
  

[Ted Larson]

Gopi, 

It's been quite awhile, but I built one based on the 3Pi.   I basically built a new top-board, and it was Microchip PIC based.  If I had to re-do, or do a do-over, I would build something based on an STM32.  They are pretty easy to write code for, but you can have some serious computing power.  The biggest problem I ran into was I was speed limited by compute.    The best strategy is to use your first two runs to map out the maze, and then use a flood-fill algorithm to compute the optimal path to the middle, and do your final run fast.

Anyway...Mechanically I thought the 3pi was a good pre-made base to start with.  The dimensions are pretty optimal for micromouse.

-Ted

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