GajdoBot - universal competiton SHR (line follower, sumo robot, obstacle avoider)

This is my first robot.

My goal was to learn a bit about electronics, robots programming and implementing simple algorithms in code. I've tried to build universal competiton robot. Hope you'll like it and find it useful for your projects. :)

prototyping board:

chassis built from Lego Technic:

previous version of GajdoBot:

follows a line, pushes other robots out of ring, avoids obstacles

  • Actuators / output devices: Piezo, two GM7 motors, SG90 servo, red and green LED
  • Control method: autonomous
  • CPU: Picaxe-20M2
  • Power source: 4xAA and 4xAAA
  • Programming language: Picaxe basic
  • Sensors / input devices: HC-SR04 ultrasound distance, QTR-3A triple infrared reflectance
  • Target environment: indoor

This is a companion discussion topic for the original entry at https://community.robotshop.com/robots/show/gajdobot-universal-competiton-shr-line-follower-sumo-robot-obstacle-avoider