KAREL Detailed Specifications

KARELDetailed Specifications

Mihai AGAPE, TeacherMaria-Genoveva AGAPE, TeacherPalatul Copiilor Drobeta Turnu Severin

KAREL, Comenius Project MeetingBeypazari, 10 – 16.11.2013

This project has been funded with support from the European Commission.

This communication reflects the views only of the authors, and the Commission cannot be held responsible for any use which may be made of the information contained therein.

The Purpose of the PresentationPropose detailed specification

for KAREL robotics platformHardwareSoftwareCurriculum

Mechanical Specification Able to climb a surface with a 30 % slope Maximum speed more than 0.5 m/s The footprint smaller than 15 x 15 cm Height less than 10 cm Weight less than 250 g Payload 250 g 2 wheels 1 or 2 ball caster 2 DC brushed gearmotors which drive

independently both wheels.

Optional

1 slot for a felt pen in the center of the robot base

2 incremental encoders. 1 robot gripper

Electrical Specification

Battery autonomy > 2 hours (move 15 %) Operating voltage 6 – 9 V Reverse voltage protection circuit Regulated supply voltage 5 V Voltage shifter for components with suplply

voltage not equal with 5V MOSFET IC drivers (current at least 1.2 A) Microcontroller >16 kB flash, fcpu>8 MHz Controller PC communication via USB

Electrical Specification

2 bumper sensors 4 user programmable pushbuttons / switches 8 infrared optical sensors

ambient light obstacle detection line detection

4 LED’s 1 servomotor

Optional

1 potentiometer 1 microphone 1 speaker 2 encoders 1 ultrasonic sensor 1 color sensor Arduino compatible Controller PC communication via Bluetooth TV remote receiver

Other Requirements

Software Specification Open Source software

Financial Constraint Price of rae material less than 99 EUR

Environment Indoor use Low noise (no audible from 10 m)

Challenges Follows the light Follows the wall Follows a moving object in front of the robot Avoids obstacles Follow the line Fight in sumo contest Escape from a line maze Escape from a maze with walls Draw with a marker attached to the robot Breaks ballons of one color

Lesson Plans

Pupils aged from 12 to 19 years old At least 21 lesson plans At least 2 lesson plans for each field

Physics Biology Programming Mechanics Electronics Robotics

Bibliography

Agape, Mihai; Papadopoulos, Anestis; Çankal, Esra; Tokarz, Piotr. Application Form of Karel – Autonomous Robot for Enhancing Learning, February 2013.

Closing and Questions

There are many choices for controller, drivers, and power supply

We proposed some choices We have to decide together in order to satisfy

the requirements from Application Form