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FM Transmitter Module SI4713 Stereo Frequency Modulation CJMCU-4713

Reference RBD-3139

Digital stereo FM transmitter module based on the SI4713 chipset for clear audio broadcasting
Supports I2C and SPI communication for flexible microcontroller control
Operates on a 3V–5V DC supply, ideal for embedded and DIY projects
Provides stereo left/right audio input (LIN/RIN) for balanced sound transmission
Adjustable I2C address via CS pin for multi-device setups
Perfect for DIY FM transmitters, wireless audio, and educational projects

Description
Product Details

Description

The FM Transmitter Module SI4713 Stereo Frequency Modulation CJMCU-4713 is a high-quality digital FM transmitter designed for wireless audio broadcasting. Powered by 3–5V DC, this compact module supports both I2C and SPI interfaces, allowing flexible integration with popular microcontrollers such as Arduino, ESP32, STM32, and Raspberry Pi. It features dedicated LIN and RIN stereo inputs for left and right audio channels, enabling true stereo transmission over FM frequencies. The adjustable I2C address and configurable GPIO pin make it easy to adapt to various setups, while the onboard 3.3V regulator provides stable power output. Ideal for DIY FM radio transmitters, smart audio systems, and educational wireless projects, the SI4713 delivers reliable and clear stereo audio transmission in a small, easy-to-use package. Featured By RoboticsBD.

Product Images are shown for illustrative purposes only and may differ from the actual product.

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Features:

Stereo FM Transmission: Delivers high-quality stereo sound via FM modulation.
Dual Communication Options: Supports both I2C and SPI interfaces for flexible use.
Adjustable I2C Address: CS pin allows multiple devices on one bus (0x63 or 0x11).
Wide Voltage Range: Operates from 3V to 5V for compatibility with most controllers.
Left and Right Audio Input: LIN and RIN channels for balanced stereo signal input.
Built-In Regulator: 3.3V output regulator provides up to 100mA power for peripherals.
Compact Module: Small 4×2 cm size ideal for embedded or portable projects.
Configurable GPIO: Used for status LED indication or custom applications.
Reset Function: Dedicated RST pin for hardware reset capability.
Easy Integration: Compatible with Arduino libraries for FM broadcasting projects.

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Applications:

DIY FM Radio Projects: Create personal FM radio stations or wireless audio links.
Smart Audio Systems: Add wireless FM broadcasting capability to custom electronics.
Educational Demonstrations: Learn about radio frequency modulation and transmission.
Embedded Systems: Integrate audio transmission into IoT or microcontroller-based devices.
Hobby Projects: Experiment with wireless music and voice transmission.

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General Specifications
Model	CJMCU-4713
Chipset	SI4713
Operating Voltage	3V – 5V DC
Communication Interfaces	I2C and SPI
Default I2C Address	0x63 (CS High), 0x11 (CS Grounded)
Audio Input	LIN (Left), RIN (Right)
GPIO	Configurable, default 3V output
3.3V Regulator	Provides up to 100mA output
Reset	RST pin for module reset
Dimensions	4 × 2 × 2 cm
Applications	Wireless audio, FM broadcasting, education
Compatibility	Arduino, ESP32, STM32, Raspberry Pi
Shipping Weight	0.0048 kg
Shipment Dimensions	4 × 2 × 2 cm

Please allow 5% measuring deviation due to manual measurement.

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Package Includes:

1 x FM Transmitter Module SI4713 Stereo Frequency Modulation CJMCU-4713

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Product Details

Reference RBD-3139

In stock 6 Items

Specific References

EAN13: 3139

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