Just found a strange problem with OpenCM-904 in Arduino mode:
- On the OpenCM-904, I can use Serial2 with BT-210 and connect it to the PC via TASK 2 Output Monitor as usual - similar to my project with the BT-210 and MKR ZERO. See posting below.
- Also SEPARATELY on the OpenCM-904, I can also successfully interface 3 ToFs sensors from Pololu to the usual I2C ports (D24 and D25) on the OpenCM-904:
However, I have found that I cannot use both features AT THE SAME TIME, because the I2C port/sensors somehow would disable access to Serial2. Only the I2C sensors worked properly in this situation, although in theory these are two independent Arduino services.
It is even more interesting that I found that the same issue is happening on my MKR ZERO, so I reported the same issue there
Has anyone encountered this issue? I would be very surprised to know that no one has tried to use BT via Serial2 and to interface an I2C sensor at the same time on the OpenCM-904 after all these years! So maybe I have missed something very fundamental some where?