Arduino based printbot HKTR-9000

by carlosgs, published

Arduino based printbot HKTR-9000 by carlosgs May 23, 2012

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16170Views 2307Downloads Found in Robotics
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Simple educational robot for learning how to use various sensors (light, line, distance...) with Arduino UNO.

It features the CRM-Shield and a four-CNY70 board for reading a line on the floor.


Main features:

  • Two Pololu micro-motors with Pololu wheels
  • Pololu Ball caster
  • Arduino UNO with CRM-Shield (which has L298 motor driver, two LDR sensors and one LED).
  • Four-CNY70 board
  • This shield and CNY70 boards are very likely to be used in other printbots :)
  • 9V battery that connects to Arduino's power connector
  • Main body is 3D printable, based on the MiniSkybot by Obijuan (http://www.thingiverse.com/thing:7989)

Designed in the "Club de Robótica-Mecatrónica, Universidad Autónoma de Madrid" by:

  • Carlos García Saura
  • Lucas Polo López

This wouldn't have been posible without help from:

  • Juan González Gómez (Obijuan)
  • Miguel Gargallo Vázquez
  • Álvaro Pérez Ortega

Robotics introductory workshop at EPS-UAM (Madrid, Spain): http://www.youtube.com/watch?v=jGQRYJm-Wq0

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great printbot. It would be great if you model also the wheels to be printed!!

Is the upper board home made? could you share the sources?

I have uploaded all the source files. Hope you find them useful, though we will upload more detailed instructions and pictures.

Printing the wheels would be a better idea, for sure :D

This robot uses a lot of Pololu stuff because we designed it based on the components we already had. It could be much cheaper using other motors and an integrated castor ball :)

Yeah, that is another advantage of the Printbots: you can re-use the staff you already have ;-)

Add a scoop and that bot looks ready for mini-sumo

Haha I think it would be better to custom-desing one with smaller wheels to get all the torque from the motors :)

Will eventually try that :-P