Hello. I hope you had a pleasant Qingming Holiday.
I recently purchased several Motor Bridge Capes and BBGs as the core of a motor control solution. It seems that my setup is not working correctly. The BBG cannot seem to detect the ST coprocessor over the I2C interface. I followed your setup guide at seeedstudio.com/wiki/Motor_Bridge_Cape_v1.0. I have experience with I2C on BBB/Linux, but I am not sure how to proceed here. Help would be appreciated. Descriptions and images below. Thanks in advance.
-Motor Bridge Cape connected to BBG.
-Ethernet connected to BBG.
-DC power supply running @ 12V connected to Battery +/ screw blocks (see image).
-BBG running preloaded eMMC Debian Image 2015-10-20.
-MotorBridgeCapeforBBG_BBB python software installed (github.com/Seeed-Studio/MotorBr … forBBG_BBB).
-BBG runs ok.
-PWR LED on Motor Bridge Cape is lit.
-MotorBridgeCapeforBBG_BBB python software shows error “Error accessing 0x4B: Check your I2C address” (see image).
-Linux command “i2cdetect -y -r 1” shows no device at 0x4B, or any other address (see image).