dilBot - JavaScript powered autonomous rover

Posted on 22/05/2014 by lazd
Modified on: 13/09/2018
Project
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Introduction
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dilBot A loving little rover dilBot is a JavaScript powered Wild Thumper-based rover that makes heavy use of zip ties. More photos What does it do? Right now, dilBot does: Remote control via an iPad-compatible web interface or 2.4GHz controller Clumsy autonomous object avoidance and roaming using ultrasonic sensors What will it do eventually? dilBot's ultimate final goal is to compete in the RoboMagellan challenge, or at least intelligently plan paths between waypoints and recognize goal ...


dilBot - JavaScript powered autonomous rover

dilBot

A loving little rover

dilBot is a JavaScript powered Wild Thumper-based rover that makes heavy use of zip ties. More photos

What does it do?

Right now, dilBot does:

  • Remote control via an iPad-compatible web interface or 2.4GHz controller
  • Clumsy autonomous object avoidance and roaming using ultrasonic sensors

What will it do eventually?

dilBot's ultimate final goal is to compete in the RoboMagellan challenge, or at least intelligently plan paths between waypoints and recognize goal objects.

Plans are to employ the LazeeEye 3D camera and a Neato XV11 LiDar to do 3D SLAM.

Base

Base With 6WD and enough juice to drive for hours, dilBot weighs in at just over 4.8kg.

  • Wild Thumper 6WD 75:1
  • Venom 7.4V 10,000mAh 35C 2S LiPo battery

Sensors

SensorsJust about all the usable I/O is packed with sensors.

  • 3x Parallax PING))) ultrasonic sensors
  • 2x Wild Thumper encoders
  • AltIMU-10 v3 Gyro, Accelerometer, Compass, and Altimeter
  • Spektrum AR400 2.4GHz receiver
  • Globalsat BE252 USB GPS

Brain

Brain

Wild Thumper Robot Controller

This controller is the perfect match for the chassis and provides just enough I/O to get the job done.

  • ATmega168-powered Arduino
  • 2x 15A FET "H" bridges
  • I2C + 12 usable I/O pins

HP Slate 500

A developer edition saved from a Silicon Valley dumpster, this device serves as the main brain.

  • Intel Atom Z530 @ 1.60GHz
  • 1GB RAM
  • 32GB SSD
  • WiFi / Bluetooth / USB 2.0
  • lubuntu 12.10

Software

Remote control interfacedilBot uses Node.js to control the Arduino over USB serial. Commands are sent in a simple low-level format and sensor/motor status comes back from the device as JSON. An iPad compatible remote control client/server is provided to control the bot wirelessly, and (very crude) autonomous driving is implemented using a Promises-based API.

Source Code

Autonomous navigation, web-based remote control

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