Hello all, i'm trying to enter in flash mode with my sonoff 4ch R2 V1.0 not the pro,
I have everything checked:
Cross the rx & tx and not cross
I check the voltage of my 3.3 volt and it is good.
I check the com ports, try several speeds.
My usb uses the prolific driver.
Nothing is done, no way to flash it.
I had no problem to flash my other sonoff.
Any idea about this ?