FM Radio Transmitter Module For Arduino

?
 

   It is designed audio interface, and used for microphone or audio signal cable.
 

   It is voltage chip, the voltage is wide and stability.
 

   It is convenient for set frequent and input signal with five buttons.
 

   The input audio signal amplitude adjustment and microphone sensitivity adjustment.
 

   FM wireless microphone audio stereo – forwarding FM radio small power.
 

?

?
 

   I2C interface 5V TTL compatible
 

   Arduino plug and play
 

   Onboard MIC
 

   VCC Input: 3.0V ~ 5.0V