Và khi tôi download code on/off led bằng switch (example on apps) hoặc xung PWM vào module thì làm thế nào test hay em phải nối led vào các gõ ra để kiểm tra vậy bận.
And when I download code on/off led by switch (example on apps) or PWM pulse into the module then how I have to connect or test led to the knocking out to check so busy.
And when I download code on / off switch with LED (example on apps) or PWM module is how to test or you have to connect led to the knock out to check so busy.