Easy IoT is a simplest IoT Solution presented by DFRobot
Hi, thanks for your support.
030 --- 30- MICROBIT_HEAP_ERROR ---Inspect damage in heap space of micro:bit(which always the memory to store variable allocation).
Here is the error document for your reference https://microbit.org/guide/hardware/err ... cqq_aiomsg
Please try refresh different .hex files to your device.
And by the way, mqtt and http cannot be used at the same time.