Rosbags on RACECAR/J
RACECAR/J

Record and Playback Actions under ROS – RACECAR/J

September 14, 2018 kangalow 0

One of the first things people like to do with their RACECAR is gather data. Using ROS we can record and playback actions. It’s easy! Looky here: Background The usual note here: You should definitely have the book “Programming Robots with ROS, a practical introduction to the Robot Operating System” Read more …

Exploring ROS - RACECAR/J
RACECAR/J

Exploring ROS – RACECAR/J

September 4, 2018 kangalow 6

Exploring ROS is easy using the both the built-in tools and additional GUI based tools. Looky here: This is a little different than most the content on JetsonHacks. Basically we bring up a running ROS system using the MIT RACECAR stack and take a look around. This gives some background Read more …

Teleoperation
RACECAR/J

RACECAR/J – ROS Teleoperation

August 19, 2018 kangalow 5

After completion of the RACECAR/J robot assembly, ROS software installation and VESC programming, it is time to test teleoperation using a game controller. Looky here: Background In the software installation article, we installed a custom ROS software stack for the MIT RACECAR. There is a special node, joy_teleop, which is Read more …

Hokuyo UST-10LX
RACECAR/J

RACECAR/J – Hokuyo UST-10LX Configuration

February 21, 2018 kangalow 20

In the first part of our Hokuyo UST-10LX installation article, we made a wiring harness and installed the lidar into RACECAR/J. After connecting the Jetson on the RACECAR to an HDMI monitor, keyboard and mouse we are ready to configure the Hokuyo and test it under ROS. Looky here: Hokuyo Read more …

Hokuyo UST-10LX
RACECAR/J

RACECAR/J – Hokuyo UST-10LX Lidar

February 20, 2018 kangalow 1

Adding a Hokuyo UST-10LX Scanning Range Finder to RACECAR/J is probably the most difficult task in the build to replicate a MIT RACECAR. With a little patience, it’s not too difficult. Looky here: Background One popular approach to vehicle autonomy is to add lidar and use the output to map Read more …

BLDC Tool
RACECAR/J

RACECAR/J – Programming the Electronic Speed Controller

February 13, 2018 kangalow 41

Before we can run RACECAR/J, we need to program the electronic speed controller, called a VESC, for the motor and steering. Looky here: Background For RACECAR/J, we replace the stock TRAXXAS ESC with Vedder Electronic Speed Controller (VESC) version 4.12 compatible hardware. The major reason for the change is to Read more …

RACECAR/J Software Install
RACECAR/J

RACECAR/J Software Install

February 5, 2018 kangalow 50

In the previous article in our RACECAR/J Build Series, we finished the initial assembly of the base robot. Now it is time for the Software Install. Looky here: Background In the video, we install the software for the “MIT Hardware Configuration – Version 2.5” of RACECAR/J. This includes support for Read more …

Top Platform Deck Installed
RACECAR/J

RACECAR/J Initial Assembly

January 28, 2018 kangalow 2

In Part One and Part Two of the RACECAR/J Series, we built the chassis and platform decks. Now it’s time to put them together. Looky here: Introduction Building even a simple robot like RACECAR/J usually means several assembly steps. Now that we’ve built the chassis and the platform decks, it’s Read more …

RacecarJ Lower Platform FI
RACECAR/J

RACECAR/J Platform Preparation

January 24, 2018 kangalow 3

RACECAR/J Platform Preparation is the second step of building RACECAR/J. In an earlier article we prepared the chassis, here we will be working on preparing the platform decks and adding some electronics. Looky here: Background One way to think about RACECAR/J is that it consists of two parts. The first Read more …

RACECAR/J Chassis
Featured

RACECAR/J Chassis Preparation

November 30, 2017 kangalow 15

This is the first step of building a RACECAR/J. Here we prepare the chassis by removing parts we do not use, and upgrading the springs and bumper. Looky here: Background RACECAR/J is derived from the open source MIT RACECAR, an “open-source powerful platform for robotics research and education”. The first Read more …