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2019-05-14 02:34:54 -0500 answered a question robot_localization (elf_se) fails

I found the problem. Basically, a chain reaction caused by a buffer overflow. I have a base controller that runs on an

2019-05-13 22:01:29 -0500 asked a question robot_localization (elf_se) fails

robot_localization (elf_se) fails I have two launch files thay are identical except that one starts one additional node.

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2019-05-12 01:43:05 -0500 answered a question How to calculate the force created by the servo motor using the rosserial_arduino library

There are two ways I can think of to measure the force or torque of a motor. 1) Measure the current with a Hall effect

2019-05-11 01:56:11 -0500 asked a question Minimum set of ROS nodes for "go to (x,y)?

Minimum set of ROS nodes for "go to (x,y)? I'm wring a path planner independent of the LIDAR based nav stack. (My platfo

2019-05-11 01:52:14 -0500 asked a question Minimum set of ROS nodes for "go to (x,y)"?

Minimum set of ROS nodes for "go to (x,y)"? I'm wring a path planner independent of the LIDAR based nav stack. (My platf

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2019-04-19 15:47:50 -0500 edited answer Publishing odometry with rosserial

Your code is not going to work. In the Arduino environment code is only executed if it is inside either the "loop()" or

2019-04-18 14:41:29 -0500 answered a question Publishing odometry with rosserial

This is not going to work. In the Arduino environment code is only executed if it is inside either the "loop()" or "set

2019-04-15 17:53:11 -0500 commented question ROS Serial Advanced Config tutorial fails to compile - solution

Yes, but have you tried the exact tutorial in the link? Few people would have the need to use a local "ros.h" as the

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2019-04-15 13:59:00 -0500 asked a question ROS Serial Advanced Config tutorial fails to compile - solution

ROS Serial Advanced Config tutorial fails to compile - solution The tutorial example fails to compile. (see my propose

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2019-03-29 16:46:48 -0500 asked a question Need to Connect uP to ROS/Linux on a new project. Is ROS2 the way to go?

Need to Connect uP to ROS/Linux on a new project. Is ROS2 the way to go? I have a STM32F type microcontroller running a

2019-03-29 14:31:55 -0500 asked a question Is anyone able to compile ROS_Serial Mbed using CLI compiler?

Is anyone able to compile ROS_Serial Mbed using CLI compiler? I'd like to build a ROS Serial client on the Mbed platform

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2019-03-28 01:15:04 -0500 answered a question Rosserial on ARM-32 (S32K14X family) works?

If you look at README in ROS Serial MBED git repository it says that LPC1768, KL25Z, and NUCLEO F401RE are supported ove

2019-03-12 19:02:54 -0500 edited question ROS Serial Melodic, mbed tutorial has broken link

ROS Serial Melodic, mbed tutorial as broken link I'm trying to follow the tutorial for setting up ros_serial on Melodic

2019-03-12 19:02:22 -0500 asked a question ROS Serial Melodic, mbed tutorial has broken link

ROS Serial Melodic, mbed tutorial as broken link I'm trying to follow the tutorial for setting up ros_serial on Melodic

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2019-03-04 15:47:29 -0500 commented question How to debug this? Callbacks stop.

"If a serial port read hangs in a callback...could explain this." THANKS. It uses serial. Is spinOnce() multithreade

2019-03-04 15:21:09 -0500 commented question How to debug this? Callbacks stop.

Yes, I agree it ONLY APPEARS as if event processing / callback queues stop . Only this one node has this problem. If

2019-03-04 15:14:33 -0500 commented question How to debug this? Callbacks stop.

Yes. I have monitored cmd_vel. the published cmd_vel is good and reacts to sensors. rosnode info shows the base contr

2019-03-04 15:09:49 -0500 commented question How to debug this? Callbacks stop.

Yes, I have a timeout. If no cmd_vel messages are received I send a stop command to the hardware. But as I wrote, th

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2019-03-04 13:17:01 -0500 asked a question How to debug this? Callbacks stop.

How to debug this? Callbacks stop. I have a very standard looking mobile base controller written in Python. It subscr

2019-03-01 00:20:47 -0500 commented question Any chance of Melodic working on Pi3? (ROS_Serial issue)

Deleted question. The question was based on outdated information.

2019-02-28 21:59:46 -0500 asked a question Any chance of Melodic working on Pi3? (ROS_Serial issue)

Any chance of Melodic working on Pi3? (ROS_Serial issue) I just found out that ROS Serial will not work across Kinetic

2019-02-28 21:02:02 -0500 answered a question Unsure about project nodes and communication between nodes

You don't need video. I think you'd be better off with one still image. I would implement the "camera" as a service.

2019-02-23 00:53:16 -0500 asked a question ros_serial on mbed?

ros_serial on mbed? I noticed there is a ros_serial mbed library for Kinetic but not Melodic. Looking at Gary Servin's

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2019-02-14 14:10:49 -0500 commented question Can ROS kinetic and Melodic be mixed on the same network?

I have a mobile robot with limited size/power so I place some of the ROS nodes on workstation class machines and connect

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2019-02-13 15:34:41 -0500 asked a question Can ROS kinetic and Melodic be mixed on the same network?

Can ROS kinetic and Melodic be mixed on the same network? I have several computers, one is running Ubuntu 16.04 and Kine

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2018-11-06 15:27:33 -0500 asked a question How to get ROS and Anaconda to play well together?

How to get ROS and Anaconda to play well together? I want to make sure I've done the simple and obvious things first bef