The default maximum gain is 60dB, but can be set to 40dB or 50dB linking the Gain pin to Vdd or GND. The Attack/Release (AR) ratio, from the default 1:4000 to 1:2000 or 1:500 can also be changed. The ...

Armed with an Arduino and a RDA5807M FM radio module, T. K. Hareendran shows us how to get started. Aspencore network. ... However, the datasheet specifies I2C interface level to a maximum of VCC (3.3 ...

Instead, he drew up a simple schematic that used an Arduino Nano, an FM radio module based on the TEA5767, and an audio amplifier based on the LM386.