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MU Camera with BiBoard?

Hello! I must have messed up somewhere...

I am trying to connect the MU camera to BiBoard, using SCL & SDA pins from p16 and 5V & GND from pins p17. I set the right-side toggles on MU to address 0x60, and set MU_ADDRESS in camera.h to the same value.

When I start Bittle, the initialization sequence gets stuck at

"Scanning I2C network..."

(if the camera is not plugged in, then the sequence just goes through as normal)

Any suggestion?

Thanks!

6 comments

6 Comments

Guillaume Poncin

Jan 08, 2023

It ended up working with the 3.3v pin for me (+tidier wiring!)

am and

Jan 08, 2023

Replying to

When camera is used, i cant use the app to go forward (some positions rest stand are ok)

Do you have the same problem ?

Thanks

Rongzhong Li

Jan 09, 2023

Replying to

The camera mode is a short demo to show how the whole body movements can be related with the camera data. You need to design some logic to make the robot move around with the camera.

am and

Jan 08, 2023

hi finaly worked for me also

thank you for advices

Question i didnt tested to use the 3.3v pin from the same group

is it confirmed that the only way to get the camera working is the 5v pin from p17 ?

Rongzhong Li

Nov 28, 2022

Hi,

The standard BiBoard driver won't handle the camera's signal. The messages may interrupt the regular I2C signals.

To use the camera, please uncomment the #define CAMERA line.

Guillaume Poncin

Dec 05, 2022

Replying to

Thanks!

It works now

I had done that ^^ :). I actually had 2 more issues: one bad solder point + also I was trying to grab the +5V/GND from a different group of pins instead of using the +3.3V/GND from the same group as SDA & SCL (apparently that does not work).

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