This recently released application lets you not only flash new binaries to any ESP8266 board using the FTDI, PL2303, CH34X and CP210X USB chipsets, but also offers a serial monitor for debugging ...

The ESP8266 works but is not a completely natural fit for an audio baby monitor, as it lacks a quality ADC and DAC. But on the other hand it is cheap, it is easy to use, and it has plenty of ...