I want to use the thread function and the system throws an error
MicroPython v1.9.4-775-gf350b640a on 2019-02-18; PYBv1.1-YD407VG with STM32F407VG
Type "help()" for more information.
>>> import _thread
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: no...