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 ...

30 thoughts on “ Retro-fit Old Radio With Arduino And FM Module ” Galane says: July 2, 2015 at 1:09 am Where’s the Ard… oh, right. Report comment. Reply. lwatcdr says: ...

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 ...