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eRacer demo video (6.3 Mb)

Robotics Peer Mentoring

elabtronics eRacer robotics kit is the newer modified version of the buggy628. It was created in order to provide an introduction to electronics, microcontroller programming and robotics. It is particularly well suited to educational and hobbyist activities because of its low cost and comprehensive technical documentation. There is a choice of four different packages, ranging from the prebuilt package to the expansion kit. The eRacer robotics kit contain detailed examples of both programming and applications. These introductory projects provide an excellent foundation for the design and development of more complex projects, the scope of which is limited only by imagination.

• Easily constructed by students who have basic soldering skills.
• Kit supplied with Eracer parts and electrical components.
• Uses PIC16F819 microcontroller.
• 14 lines wired for input and output operation.
• Can be programmed to avoid obstacles, move along lines and even follow a light source.

Input / Output Circuits

• L293B Driverr chip to operate two independent motors.
• Infrared transmitter and receiver to detect objects in front of buggy628.
• Two light sensors on the base of the eRacer to follow lines along the ground and to detect different coloured light sources. 
• One bright red and one bright green LED mounted on the base of the eRacer to emit different coloured light.
• Two independent red LEDs at the front.
• One buzzer and one push button.

Summary of Port Configuration

Electrical Components for the eRacer robot

• PIC16F819 Microcontroller (18pin chip) x 1
• L293B Driver (16pin chip) x 1
• BC337 Transistor x 1
• 5V1 Zener diode
• IN4148 Diode x 1
• IR LED x 1
• IR Sensor x 1
• 22 pf Ceramic Capacitor x 2
• 1 nF Monolithic Capacitor x 2
• 10 nF Monolithic Capacitor x 2
• 100 nF Monolithic Capacitors x 5
• 330 uF/25 v Electrolytic Capacitor x 1
• 10 Resistor x 2
• 390 Resistor x 5
• 1k Resistor x 1
• 5k Resistor x 1
• 10k Resistor x 4
• 33k Resistor x 2
• Light Dependant Resistor (LDR) x 2
• Super Bright Red LED x 1
• Super Bright Green LED x 1
• Red LED x 2
• 6V DC motor x 2
• Push Button Membrane switch x 1
• SPST slide switch x 1
• Piezo Buzzer x 1
• 20MHz Crystal x 1
• 3 pin IR Receiver x 1
• 16 pin IC socket x 1
• 18 pin IC socket x 1
• 10 pin header x 1
• PC pins x 6
• Cable ties x 2
• Yellow heat shrink x 2
• Black heat shrink x 1
• Black heat shrink (thin) x 4
• Coloured Link wires
• Green cellophane 1cm²
• Red cellophane 1cm²

Illustrated construction manual with all the mechanical components

• Built & Tested: Includes Built eRacer with CD 
  Price: $A198.00 inc. GST
• Complete kit: Includes eRacer Kit and CD
  Price: $A110.00 inc. GST

eRacer Robotics Resource CD

• IBM PC Programming Software (CoreChart, MPLAB)
• Detailed Manual on electronic assembly and mechanical construction
• Programming Tutorials
• Extensive Technical Data Library

Related Links

• To download CoreChart programs (and documentation) for the Racer click here.
• elabtronics provides a two day CoreChart/PIC microcontroller course using the eRacer. Click here for more information.

• Robotics Peer Mentoring

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