Robot Building Questions

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Waterproof Bluetooth Speaker

Waterproof Bluetooth Speaker

Add your soundtrack to robot building adventures, or add this to your robot! Introducing the Synthiam IPX6-certified...
Inverse Kinematic Arm by Synthiam
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By Synthiam

Inverse Kinematic Arm

Move any robot arm with inverse kinematics in 3d cartesian coordinates.

Extending Jd by bmcnamee1
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By bmcnamee1

Extending Jd

We have designed and 3D printed pieces with both a male and female parts, that connects in between the servos to make JD larger by 2.75...

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question

Robot Jerking Servos

I added a pan/tilt system to my robot to track objects but the servos just jerk around randomly. Help? Im using some Tower Pro servos I had lying around.
question
Camera Movement Control

Camera Movement Control

Hi All! My son and I built this robot with a mix of parts, hot glue and some fun. It has two motors connected to the ioTiny through an hbridge. The ez robot camera moves...
question
Reading And Writing Files In Java

Reading And Writing Files In Java

I am not a Java expert.  Can someone post an example of how to open/write and open/read a file on my local computer using the ARC Java Script editor?...
question

What Is The I2C Address For The Iotiny.

I know the address for I2C port on the EZB v4 is 0x09, is it the same for the IOtiny?  I found the pin out documentation but no port address.
question
Question For Power Supply Requirement

Question For Power Supply Requirement

Hey guys, I am looking into how to build a bigger servo actuator at the moment... Its nothing like a full blown project at the moment, I am just...
question
Speech Recognition Screen Popping Up.

Speech Recognition Screen Popping Up.

So I have been tinkering with speech recognition and enjoying it. Recently after a speech interaction completes I get this pop up screen with a...
question

BUG In RGB Animate In Roboscratch?

I am working through my EZ Robot lessons from scratch. I am currently in Roboscratch and am finding a few bugs. Some of course are just things I need to figure out for myself as its a learning thing but others I feel are legit bugs. Maybe due to the fact its an older program and ARC is so far beyond it. Anyway... I am finding that once I create an...
question
A Very Roli Christmas

A Very Roli Christmas

I wonder whats in here.. After a bit of hassle with the delivery guy I was finally able to pay the import duties and pick up my Roli Looks like its already been opened,...
question
Auto Positioner

Auto Positioner

Hi, I am still very new to all this but have actually learned how to use Auto Positioner to open and close my robotic hand, using just two frames. I have been trying to now make my robotic...
question

Synthiam Code Object Dropping Square Brackets With An I Inside?

The Synthiam code object is interpreting square brackets [ i ] with an i inside as something else if you dont have any spaces. If you include the spaces then it seems to work. It seems to be the website input in general and not just the code object.   But when in a code object it should not change the code if  For example if I have  if...
question

Up Board - Accessibility Of Pinouts With ARC

Hi, I have a question concerning the Up Board (it is more and more difficult to resist to this one). Are the pinouts of the Up board accessible with ARC (like an EZB)? I have noticed that there is 40 of them, including UART, and it would be really cool if it was possible to connect the Roomba directly to the Up Board and control it with the the...
question

Saving To Cloud

What does the following error message mean? I get this message when trying to save my project to the Cloud. My file size is 55Mb whereas Cloud file size limit is 64Mb I thought. The request failed with HTTP status 413: Request entity too large.