Recent Posts

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Khepera IV / Questions regarding the makefile in libkhepera
« Last post by michael5511b on August 07, 2019, 11:01:47 PM »
Hello to all,

This may be a very basic question, but does anyone know how to modify the "makefile" text file in libkhepera-2.1/template, so that I can make c files with names other than "prog-template" and create make files with names other than "template"? Also, is there a way to make multiple c scripts at once?

I have been working with khepera IV a few months by now, but I always edit everything in prog-template because I am afraid to mess up anything in the "makefile" text file. I would rally appreciate the help, thanks!

Michael
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Khepera IV / Frequency of sending data to server using TCP
« Last post by groverjaskaran@gmail.com on July 24, 2019, 06:48:21 PM »
Hi, I am wondering if anyone knows how to send data from IMUs and Encoders at a stable frequency to the server. I am using a socket client approach to talk to the robot over WiFi.
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Hello to all,

I have successfully established socket communication (TCP/IP) between the Khepera 4 and my computer, now I am able to send and receive information between them. However, I found out that the communication rate is not stable, and I am not able to send or receive data at a constant rate, and the communication frequency varies from 5Hz to 300Hz during a single test run. Without constant communication rate, any robot control algorithm that is a function of time implemented from my computer and sent to the khepera will end up with poor performance. Does anyone have suggestions for this?

Please advice. Thank you!

 
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Khepera IV / Re: Problems connecting the khepera IV to a wifi network.
« Last post by kteam on March 25, 2019, 07:53:19 AM »
Hi,

you have to adapt the ESSID name and IP address to your network. This file is edited as an example with a Wifi called Korebot.
For example, if your Wifi is named "HomeWifi", you have to change "korebot" to "HomeWifi" and change the IP address too (you have certainly a range of 192.168.1.1 to 192.168.1.1).

Best regards
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Khepera IV / Problems connecting the khepera IV to a wifi network.
« Last post by D.Ali on March 13, 2019, 01:27:04 PM »
Hi,
I am having issues activating the wifi of the robot. I followed the instruction in the Khepera IV User Manual 4.0, section 9.2.1.
First, I have opened the file in /etc/wpa_supplicant/wpa_supplicant-wlan0.conf and i found the file already configured with a wireless network named korebot without encryption. So i didn't change it.
After that i have configured the interface file in /etc/network/interfaces as following:

auto wlan0
#iface wlan0 inect dhcp
iface wlan0 inet static
           wireless_mode managed
           wireless_essid korebot
           address 172.16.156.57
           netmask 255.255.255.0
           gateway 172.16.156.1

the address being the static robot ip i found in the robot (i didn't change it either)
the gateway is the ip address i have used for my pc.

for the wifi network i configured ad-hoc network with the name korebot with the Network Manager of Ubuntu 14.04.

finally i have rebooted the robot and the pc.

However, after all that, the robot was not connected, and if I use the command ping i get the message that the address is unreachable.

Please advice. Thank you.
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Kilobot / Re: updation of firmware of overhead controller
« Last post by m-parhizkar on December 18, 2018, 11:11:15 AM »
Hi,

Check this out:

https://www.k-team.com/forum/index.php/topic,1914.0.html

Cheers!
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Kilobot / Re: OHC AVRISP mkII no connecting
« Last post by m-parhizkar on December 18, 2018, 11:09:12 AM »
Hi,

For connecting your OHC to Windows 10 check these tutorials:

https://github.com/par-mo/DictyBOT/wiki/Flash-Kilobots-and-OHC-from-kilobotics.com
https://kilobots.wordpress.com/2015/04/01/flashing/


Cheers!
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Kilobot / Re: Kilobots not responding to OHC
« Last post by m-parhizkar on December 18, 2018, 11:04:05 AM »
Hi,

If your robots do not show any response to your OHC or they look dead, you have to flash them.
Check this out:
https://github.com/par-mo/DictyBOT/wiki/Flash-Kilobots-and-OHC-from-kilobotics.com

Good luck!
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Kilobot / Re: Kilobot bootloader programming problem
« Last post by m-parhizkar on December 18, 2018, 11:00:31 AM »
Hi,

Check this out:
https://www.k-team.com/forum/index.php/board,9.0.html
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Kilobot / Useful links for the driver AVRISP MkII+tutorial to flash OHC and Kilobot
« Last post by m-parhizkar on December 18, 2018, 10:55:09 AM »
You should start on the first page. If you can not solve your issue, check the second link.

1.  https://kilobots.wordpress.com/2015/04/01/flashing/
2.  https://github.com/par-mo/DictyBOT/wiki/Flash-Kilobots-and-OHC-from-kilobotics.com

Wish good luck to all of you who has problems with AVRISP MkII driver and Windows 10
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