1.Description:
It is a FM transmitter module.Based on the first-class Si4713, this breakout board is an all-in-one stereo audio FM transmitter.Connect your home controller to the I2C data cable to set the transmission frequency and play line level audio to the stereo headphone jack.
2.Feature:
1).It can transmit RDS/RBDS data.
2).It has a stereo headphone jack.
3).It supports I2C interface.
3.Parameter:
1).Product Name:FM Transmitter Module
2).Supply Voltage:DC 3V-5V
3).Communication Interface: I2C
4).Work Temperature:-25℃~85℃
5).Work Humidity:5%~95%RH
6).Size:40*20*7mm
4.Power Pins:
1).LIN:audio input,connect the left channel of the earphone
2).RIN:audio input,connect the right channel of the earphone
3).Vin:DC 3V-5V.
4).GND:this is power and logic ground,connect to your microcontroller's ground pin.
5).3Vo:this is the output from the onboard regulator,3.3V nominal.You can use this if you need up to 100mA of 3V regulated voltage
6).RST:Reset.
7).CS:Select pin,used in spi mode.The i2c address is determined.When connected to high level (default),the i2c address is 0x63.If it is grounded or short-circuited,the i2c address is 0x11.
8).SCL:Clock pin,connected to the microcontroller.
9).SDA:Data pin,connected to the microcontroller.
10).GPIO:can be used to make the LED blink,the initial state has been set,3V output.
5.Package:
1).1pcs FM Transmitter Module
2).1pcs 11 Pin Headers
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