Grove I2C User manual

Grove - I2C FM Receiver
Introduction
3.3V 5.0V I2C
Grove - I2C FM Receiver is a wideband FM receiver module, this module is based on
RDA5807M. The RDA5807M series is the newest generation single-chip broadcast
FM stereo radio tuner with fully integrated synthesizer. The RDA5807M series has a
powerful low-IF digital audio processor. The Grove - I2C FM Receiver has a headset
jack, so it can connect to earphones or audio.
Version Tracker
Revision
Description
Release date
Grove - I2C FM Receiver v1.0
Initial public release
Grove - I2C FM Receiver v1.1
Fixed bug - DFM for J3
Dec 2, 2011
Features
•Grove interface
•Supports worldwide frequency band: 50 - 115MHz
•Support RDS/RBDS
•Lower power consumption
•Headset interface
•Digital auto gain control
•Input voltage: 3.3V - 5V

Tip
More details about Grove modules please refer to Grove System
Platforms Supported
Arduino Wio BeagleBone
Raspberry
Pi
LinkIt
ONE
Caution
The platforms mentioned above as supported is/are an indication of the module's hardware or theoritical compatibility. We only
provide software library or code examples for Arduino platform in most cases. It is not possible to provide software library /
demo code for all possible MCU platforms. Hence, users have to write their own software library.
Usage
We can change channel by Grove - Button and adjust volume by Grove - Rotary
Hardware Installation
Part list：
•Seeeduino Lotus
•Grove - I2C FM Receiver
•Grove - Button
•Grove - Rotary
•Earphone

Software Part
1. Download the code I2C FM Receiver.
2. Unzip it into the libraries file of Arduino IDE by the path: ..\arduino-1.0.5\libraries.
3. Open the code directly from the path: File -> Example -> I2C_FM_Receiver.
4. Upload the code. Note that you should select the correct board type and COM port.
You can see Center Frequency: