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Raspberry Pi

Raspberry Pi by Pi Foundation

Connection Type
Wi-Fi
Audio Support
Yes
Camera Support
Yes

Raspberry Pi is a small and affordable computer that you can use to control a robot by either an EZB Server or Windows 11 installed on Raspberry Pi 4.

Windows 11

The Windows 11 for Raspberry Pi requires version 4 with 8GB of ram. While you can run it off an SD card, using an SSD external drive is highly recommended. If you do not use an SSD drive, the computer will run far too slow to be enjoyable. Alternatively, you can run a speedy USB Thumb Drive.

If you were to run a thumb drive for storage, we have had great success with the following...

There are plenty of instructions on the internet for installing Windows 11 on a Raspberry Pi 4. We have added a video below, but we recommend searching for updated instructions if something changes.



Some tips from the author of the above video in his video description are helpful. You can install Windows 11 on the Raspberry Pi 4 without using a PC! We can do it all from the Raspberry Pi running a Debian-based OS like Raspberry Pi OS, thanks to the all-new WoR Flasher from Hotspot. This installation will work with a Micro SD Card, USB Drive M.2 SSD, or a 2.5" SSD in this video. He shows you how to get this up and running on your raspberry pi so you can easily install Windows 11 on your Pi.


Installation Tips & Performance for SBCs

We have a guide in the Support section that includes steps on freeing storage space, increasing the performance, powering the SBC, and running headless with remote desktop software of robot computers, such as single-board computers. View the instructions HERE.

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#7  
This really has me interested. I love to see all the new options and capabilities we are now adding and I am excited about those to come but don’t understand the benefits using Raspberry Pi instead of EZ-Robot micro controller.  Please clarify why you would use a Raspberry over a EZ-Robot. I get loading ARC it on Pi as a benefit but not providing PMW has me stumped. I really want to do this but I want to understand the benefits.
PRO
Synthiam
#8  
Legion, can you do a sudo apt-get upgrade?

also a sudo apt-get update

perhaps the os versions are out dated. Reading the error you posted, the ezbpi cannot bind to the network interface, which is absolutely required for operation.

Ellis, there’s only benefits to those who need it.
Canada
#9  
Hello,

Thank you for the reply once again.  I did the updates and also tried your new server version from this webpage.  Still same error.

So not sure what else to try.  Has someone recently loaded this and confirmed it's working?  

I even had someone else do this and follow the instructions and came up with the exact same error.  I'm wanting to use the Pi for an event coming up soon for a robot, if I had more time I'd have purchased the EZB4 with wifi but don't.
PRO
Synthiam
#10   — Edited
The ezb v4 is by ezrobot and is only one of the options for controller. There’s also arduino and others which can be viewed on the getting started page. 

However, there’s a lot of others running the pi server - and I can’t imagine how it couldn’t work for you if executed as SUDO

sudo executes the application as Root, which is needed for the broadcast and server features. The access denied error is because access is denied :). That’s due to user privileges 

The only other option I can suggest is to use netstat and view the listening and broadcasting ports to see if there’s already an application using it. 

The trouble with attempting to support Linux is that there’s no support for Linux :). Everyone is kinda on their own when it comes to the raspberry pi, but normal installations should work without trouble. 

Access Denied is an error when access is denied due to limited user privileges. That can be rectified by executing as root with sudo
Canada
#11  
Thank you.

I'm definitely using the sudo for raised permissions.  At any rate, I'll change my plans a bit but no biggie.  Really appreciate your responses.  If I find a fix I'll post it.

pi@raspberrypi:~/EZBPi $ sudo mono ./EZBPi.exe
Raspberry EZBPi Version: 2019.3.29.0
Verbose logging is: False
Serial port is: /dev/serial0
EZB: TCP Started on port 23
EZ-B Server started on TCP Port: 23
Camera: TCP Started on port 24
Camera Server started on TCP Port: 24
Press ESC to quit
Broadcast error. The broadcast service has stopped. Here is why: System.Net.Sockets.SocketException (0x80004005): Access denied
at System.Net.Sockets.UdpClient.Connect (System.String hostname, System.Int32 port) [0x001b0] in :0
at System.Net.Sockets.UdpClient..ctor (System.String hostname, System.Int32 port) [0x00044] in :0
at EZBPi.Broadcaster.doSendUDP (System.String str) [0x00001] in <0d7091e22ba140df8312a9ba44fa579a>:0
at EZBPi.Broadcaster._timer_Elapsed (System.Object sender, System.Timers.ElapsedEventArgs e) [0x00050] in <0d7091e22ba140df8312a9ba44fa579a>:0
Broadcast error. The broadcast service has stopped. Here is why: System.Net.Sockets.SocketException (0x80004005): Access denied
PRO
USA
#12  
@Legion:

can you post the output of the following commands:

Code:

mono --version

Code:

uname -r

Code:

lsb_release -a

Code:

route
Canada
#13  
mono --version

Mono JIT compiler version 5.18.0.240 (Debian 5.18.0.240+dfsg-3 Sat Apr 20 05:16:08 UTC 2019)
Copyright (C) 2002-2014 Novell, Inc, Xamarin Inc and Contributors. www.mono-project.com
TLS:
SIGSEGV: normal
Notifications: epoll
Architecture: armel,vfp+hard
Disabled: none
Misc: softdebug
Interpreter: yes
LLVM: supported, not enabled.
Suspend: preemptive
GC: sgen (concurrent by default)


uname -r

4.19.57-v7+


lsb_release -a

No LSB modules are available.
Distributor ID: Raspbian
Description: Raspbian GNU/Linux 10 (buster)
Release: 10
Codename: buster

route

Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default GatewayRouter 0.0.0.0 UG 202 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0 U 202 0 0 eth0
PRO
USA
#14  
@Legion:

more commands:

Code:

netstat -l -n | grep udp

Code:

cat /proc/device-tree/model
Canada
#15  
etstat -l -n | grep udp

udp 0 0 0.0.0.0:68 0.0.0.0:*
udp 0 0 0.0.0.0:53446 0.0.0.0:*
udp 0 0 224.0.0.251:5353 0.0.0.0:*
udp 0 0 224.0.0.251:5353 0.0.0.0:*
udp 0 0 0.0.0.0:5353 0.0.0.0:*
udp6 0 0 :::5353 :::*
udp6 0 0 :::53523 :::*



cat /proc/device-tree/model

Raspberry Pi 2 Model B Rev 1.1
PRO
USA
#16  
I can reproduce your error ! Give me a couple minutes to check some details.
PRO
USA
#17  
@Legion:

Can you unzip the file ConsoleApp1.zip
and run the command:

Code:

mono ./ConsoleApp1.exe
Note: No need the root privileges e.g. sudo

Please post the output.
Canada
#18  
=== AddressList ====
Af=[InterNetwork] Addr=[192.168.1.178]
=== Send Udp Message ====
Send Udp message=[EZ-B||Testing||192.168.1.178||23]
PRO
USA
#19  
@DJ:
It seems is a bug in the udp code:

please change your code:

Code:

        private void doSendUDP(string str)
{
using (UdpClient udpClient = new UdpClient("255.255.255.255", 4242))
{
byte[] bytes = Encoding.ASCII.GetBytes(str);
udpClient.Send(bytes, bytes.Length);
}
}
to this code:

Code:

        private void doSendUDP(string str)
{
var ipEndPoint = new IPEndPoint(IPAddress.Broadcast, 4242);
using (var udpClient = new UdpClient())
{
var bytes = Encoding.ASCII.GetBytes(str);
udpClient.Send(bytes, bytes.Length, ipEndPoint);
udpClient.Close();
}
}
PRO
USA
#20  
@Legion:

Download this fix EZBPi_fixed.zip
do backup copy of the existent EZBPI.exe and then override with the new file.
then run:

Code:

sudo mono ./EZBPi.exe
Let me know if it works.
Canada
#21  
IT WORKED!!!!

Oh ty ty ty so much!
PRO
Synthiam
#22  
I’ll get amin to update next week. Thanks guys!!
United Kingdom
#23  
Hi,
I'm having the same problem as above on my RasPi3B when trying to run EZBPi.exe. I've followed all the above checks and the code update but I'm still getting the same response:

pi@raspberrypi:~ $ sudo mono /home/pi/EZBPi/EZBPi.exe
Raspberry EZBPi Version: 2019.3.29.0
Verbose logging is: False
Serial port is: /dev/serial0
EZB: TCP Started on port 23
EZ-B Server started on TCP Port: 23
Camera: TCP Started on port 24
Camera Server started on TCP Port: 24
Press ESC to quit
Broadcast error. The broadcast service has stopped. Here is why: System.Net.Sockets.SocketException (0x80004005): Access denied
at System.Net.Sockets.UdpClient.Connect (System.String hostname, System.Int32 port) [0x001b0] in :0
at System.Net.Sockets.UdpClient..ctor (System.String hostname, System.Int32 port) [0x00044] in :0
at EZBPi.Broadcaster.doSendUDP (System.String str) [0x00001] in <0d7091e22ba140df8312a9ba44fa579a>:0
at EZBPi.Broadcaster._timer_Elapsed (System.Object sender, System.Timers.ElapsedEventArgs e) [0x00050] in <0d7091e22ba140df8312a9ba44fa579a>:0

I also have a Pi ZeroW and a Pi 2B on the network and get the same response. Pi Zero and 3 both running Buster, Pi 2 running Stretch.

I've also tried all the other usual fixes, like disabling firewall etc.

I'm getting a similar response when trying to connect ARC 2019.05.08.00 from my PC (Win10) to the Pi:

Attempting connection on 192.168.1.183
Connection Failed: System.Net.Sockets.SocketException (0x80004005): No connection could be made because the target machine actively refused it 192.168.1.183:23
at System.Net.Sockets.Socket.InternalEndConnect(IAsyncResult asyncResult)
at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)
at System.Net.Sockets.TcpClient.EndConnect(IAsyncResult asyncResult)
at EZ_B.EZB.Connect(String hostname, Int32 baudRate)
Disconnected

I don't have anything else running that might be causing any conflict and I can connect to all my Pi's remotely from my phone using RasPi Check and RaspController.

Regards,
CRW
Canada
#24  
Did you use the exe fix PTP gave?
United Kingdom
#26  
Hi Guys,

Yes, I tried the EZBPi_fixed.zip before I wrote to you last night but it didn't work.

I've just unzipped and executed the new server from the link that DJ sent above and it works! The server's now running and I'm connected to the Pi3B from my PC:
EZ-B temperature is 45.28100456947043676C
Connected
.
I was planning a night off from the PC and Pi tonight, but that plan's just gone out the window.

Thanks for your quick response and the fix. Very much appreciated:D

Regards,
CRW