Electronics FM Radio Components DIY Kit Bluetooth 5.0 Receiver Speaker 2*3W Card-Based Speakers LED Level Indicators DIY Kit
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$13.97Sold by BILLIONS BIRDS
Description
Features:
This audio device perfectly blends practicality and fun—you’re gonna love it! First off, its 2-in-1 stereo audio experience: Hi-Fi speaker paired with FM function, connect your phone effortlessly, and enjoy immersive music or radio programs with crystal-clear sound quality that never disappoints.
Beyond the core audio performance, its FM radio feature is super user-friendly: it auto-searches and memorizes channels, and even resumes playback automatically after power-off. No need to re-tune channels when you turn it back on—perfect for your daily commute or relaxing at home.
What makes it even more exciting is the music light effect! 12 LED bulbs flicker in sync with the music rhythm, creating an amazing atmosphere. The digital display clearly shows the current mode, volume level, and frequency, so you can check the device status at a glance—no more guessing.
Operation is a breeze too! It comes with a dedicated remote control, allowing you to adjust volume, switch modes, and change channels from a distance—no need to lean over the device. Best of all, the DIY assembly process adds extra fun, which is a total hit for hands-on enthusiasts!
Last but not least, its powerful connectivity and output capabilities: supports wireless Bluetooth connection as well as direct USB/SD card playback. With high-power output, it delivers impressive sound—connect it to an external speaker for an even more (thunderous) audio experience, perfect for small gatherings or personal use!
Parameter:
Product name: RX5808 wireless audio and video receiver module
Supply voltage: 3.5~5.5V
Power supply current: 170mA
Power supply ripple voltage: 10mVpp (Max 25mVpp)
Wideband: 4.8~6.0GHz
Receiving frequency: 5725~5865MHz; 8 channels
Frequency control: Built-in frequency phase-locked loop
AV Output: Directly output analog audio and video signals
Power Consumption: 5V 170mA
Receiving sensitivity: -90dBm
Operating temperature: -20~70°C (only the module itself, not other parts)
Small size SMD package: 28×23×3mm
Package include:
Bluetooth speaker kit x 1
Description:
Bluetooth name: JQ-BT, open the cell phone or tablet Bluetooth search and pairing connection can be. fm radio need to add welding antenna, you can find a suitable wire welded to the antenna welding point, disk in the chassis in order to increase the radio sensitivity.
Level indicator consists of four LM358 main control chip 12 LEDs, adjustable sensitivity, need to weld, welded from the bluetooth board to take 5V power supply can work, when there is a music signal LED lights from the center to the two sides of the blinking.
Welding methods and precautions:
The acrylic shell has a protective film, tear off the protective film before assembling, and figure out the position of each board, and then install the speakers, circuit boards, and finally assembling.
Adjustable resistors for adjusting sensitivity are welded on the back of the PCB and exposed after mounting the shell, so that it is easy to adjust the sensitivity at any time.
Components should be welded from short to high, pay attention to distinguish between positive and negative poles. Electrolytic capacitors, light-emitting diode polarity: long foot is positive, short foot is negative.
Welding is completed to fully check whether there is a false weld or short circuit, to confirm that there is no error and then power on the test.
The positive and negative poles of the power supply must not be reversed, otherwise the chip will be burned when the power is turned on.
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