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1  Using Arduino / Motors, Mechanics, and Power / High-Torque pan/tilt kit on: January 26, 2013, 02:56:00 pm
I have an object that weights about 4 kg which i would like to pan/tilt.
The problem is, that the standard pan/tilt kits one can buy in various shops are too weak to handle the object...
Does anyone know about a good way to pan/tilt heavy objects?
2  Using Arduino / Networking, Protocols, and Devices / Connect Laptop wirelessly to Arduino on: October 04, 2012, 11:05:56 am
I bought an Arduino Wifi shield and Arduino UNO and want to connect my laptop to the Arduino wirelessly. The problem is that i am outdoors and do not have a wlan router close by.

How can i connect the laptop to the arduino wifi without a stationary router?
3  Using Arduino / Networking, Protocols, and Devices / Re: Arduino Wifi Shield problems on: October 04, 2012, 09:45:11 am
but on the arduino wifi shield page ( it says that the shield supports ad-hoc...

i just want to connect my laptop to the arduino to control a robot...
4  Using Arduino / Networking, Protocols, and Devices / Arduino Wifi Shield problems on: October 04, 2012, 09:09:24 am
On my Laptop I have Setup an Ad-Hoc Network using WPA2 Encryption Using the SSID test and password 12345.
Then i copy+pasted this code and uploaded it into my Arduino UNO (which as a wifi shield on top of it):

I changed the line

char ssid[] = "networkName";


char ssid[] = "test";

and the line

char pass[] = "yourPassword";

to char pass[] = "12345";

After uploading, it always tells me it "couldn't get a wifi connection"...
How can i fix this?

5  Using Arduino / Networking, Protocols, and Devices / Bluetooth SSP "Dev-B" Vanishes? on: September 23, 2012, 06:16:09 pm
I have a really strange problem that i couldn't solve for several days now and i really hope you can help me.

I have an iteaduino BT board and a arduino motor shield attached to it.
Also, I have installed the latest Arduino on my Computer and my Laptop.
On my computer, I have written a short programm which turn a motor on when it recieves a certain character via bluetooth (with
I then connected the Board via USB to my computer, uploaded the programm, then I connected the board via bluetooth to my pc and sent some characters to the board, everything worked fine.
On my computer the board "creates" to COM-ports upon connecting it with bluetooth, and when i check the options for the BT board, i can see one of them is called SSP "Dev-B", which is the one i send my characters through.

Now, when I try to connect the BT shield to my laptop, it also creates the SSP "Dev-B" port, and the BT shield gets connected as usual. But as soon as I try to send something from my laptop to the BT board, this happens:
1. The Character gets sent and recieved properly (which makes the motor go on btw)
2. After that, the SSP "Dev-B" COM port vanishes from the bluetooth-board options and i can't send anything to the BT board at all.
3. After about 10 seconds, the port suddenly works again and i can send another single character to my board before it all repeats itself.

I have installed the correct bluetooth drivers (and de-installed them a hundred times...), arduino firmware etc, set the correct jumpers, my program works perfectly on the other pc...What should I do?

EDIT: Also, i got another question. can i use an ad-hoc network to connect the arduino wifi shield with my laptop to control an rc car? thanks!
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