Geeetech

Here is a CoolTerm capture:

I also noticed my sketch does this:


Serial.write(0xAA);
Serial.write(0x37);
delay(1000);
Serial.write(0xAA);
Serial.write(0x21);

in the setup and then I disconnected it and tested the module by powering it from a battery pack.

But I noticed the Serial Monitor ...

Hi guys

Yesterday I tried my VR module. At first it wasn't recognizing any sound I would get Start....No Voice...Start...No Voice.

I stopped using the microphone you include and I used a different mic connected directly to the terminals provided on the board for VOC and GND. This worked and I was ...

Use a different mic and connect it to the VOC/GND terminals on the board The mic jack provided is not good at all.