I am using STM32F103C for mcu and SPH0645 model for microphone.When I connect only one microphone and communicate with I2S it works!then I wanted to do make stereoSo I connected two microphones one with SEL=0 and the other with SEL=1However, WS gives...

I used ST Visual Programmer to check if soldering's been completed well.I didn't open any files but just clicked the programming tab (the red arrow one) but the message that it cannot communicate with the device popped up. It still didn't work when I...