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by hubbabubba
Mon Aug 08, 2016 5:42 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Raspberry Pi as I2C slave?
Replies: 10
Views: 7738

Re: Raspberry Pi as I2C slave?

Why not simply use a microcontroller (i.e. with more than one I2C bus) and connect it via USB to your Pi (Virtual COM port for keeping things simple on both ends)? Well I already have my Uno so I will have to make do with it. I'm going to have a look at the different options for communication betwe...
by hubbabubba
Sat Aug 06, 2016 7:04 am
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Raspberry Pi as I2C slave?
Replies: 10
Views: 7738

Re: Raspberry Pi as I2C slave?

Thanks a lot for the suggestions! Yeah, I'll probably have to give up on using I2C. Its just that it would have been elegant to have multiple devices communicate via I2C. But its pretty clearly a no-go. I'll have look at those other ideas you suggested. Thanks again!
by hubbabubba
Wed Aug 03, 2016 7:31 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Raspberry Pi as I2C slave?
Replies: 10
Views: 7738

Re: Raspberry Pi as I2C slave?

Oh... Well that might be a new problem. See, originally I thought with I2C you could only have one master, then I learned thats not the case and thought there would be no problem. It didnt occur to me that the Pi wouldnt support this either. After some quick googling, it seems that indeed it doesnt....
by hubbabubba
Wed Aug 03, 2016 5:59 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Raspberry Pi as I2C slave?
Replies: 10
Views: 7738

Re: Raspberry Pi as I2C slave?

After a bit more reading up on I2C, it seems I was mistaken. I thought you could only have one master on the bus, but you can in fact have multiple masters. So it seems that there should be no problem with running the Arduino as master for communication with my range finder module and motor shield a...
by hubbabubba
Sat Jul 30, 2016 2:20 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: Raspberry Pi as I2C slave?
Replies: 10
Views: 7738

Raspberry Pi as I2C slave?

Hi! I have been building an Arduino robot. I'm going to add my Raspberry Pi to it and it will run a simple OpenCV computer vision program to spot a ball in a camera feed. I have the program written but I hit a bit of a snag. My Arduino obviously controls the motors, as well as a Bluetooth module and...

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