FM Radio Transmitter Module I2C Interface for Arduino Microphone Audio
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It is designed audio interface and is used for a microphone or audio signal cable. It is a voltage chip, the voltage is wide and stable. It is convenient for setting frequent and input signals with five buttons. The input audio signal amplitude adjustment and microphone sensitivity adjustment. FM wireless microphone audio stereo – forwarding FM radio small power.
1) I2C interface 5V TTL compatible
2) Arduino plug and play
3) Onboard MIC
4) VCC Input: 3.0V ~ 5.0V
You could wire them in the following way :
Arduino connects with the FM Module as below :
GND connects with GND
5V connect with VCC
SDA connects with SDA
SCL connects with SCL
Then connect the antenna.
Any metal line about 75cm can serve as an antenna.
|Dimensions||3.8 × 2.7 × 0.2 cm|