A cím elején, valamint az első képen szereplő szín/minta/méret/típus kerül kiszállításra!
Bluetooth hangszóró készlet FM rádió kártya audio akril héj részek LED hangvezérlő szintjelzővel
Bluetooth Speaker Kit FM Radio Card Audio Acrylic Shell Parts With LED Sound Control Level Indicator
This kit has wireless Bluetooth, USB, SD card, FM FM radio for playback and other functions. Yes, the output power is large and the sound is loud and loud (if possible, the sound of the external loudspeaker will be more shocking). The shell is assembled in acrylic, available in black and transparent, and LED voice-activated music level indicator has been added.
Light circuit, you can enjoy different visual effects while listening to songs. The Bluetooth module comes with a power amplifier, which is a finished board with a panel that has been welded and tested, and the power amplifier part. Use imported anti-breaking sound chip, almost no distortion when loud.
The Bluetooth name is: DJN-VI100, open the mobile phone or tablet Bluetooth to search and pair the connection. The FM radio needs to be soldered with an antenna, you can find a suitable wire and solder it to the antenna solder joint. The upper part is inside the cabinet to increase the sensitivity of the radio.
The level indicator is composed of four LM358 main control chips and 12 LEDs. The sensitivity is adjustable. To start soldering, take 5V power supply from the Bluetooth board after soldering to work, when there is a music signal. The LED lights flash from the middle to both sides, with a strong sense of rhythm.
Product name: Bluetooth speaker with voice control level indicator; Product model: DJN-V100; Working voltage: DC DC5v (5V12A USB charger can be used for power supply
Working current: recommended above 1.5A
Main functions: Bluetooth reception, USB, SD card, FM radio playback, with remote control
Output power: 2.0 dual channel 3WX2
Music metronome circuit board size: 100 x 30MM
Acrylic shell size: 148 x 68 x 81MM (length X width X height)
Net weight (excluding USB power supply): 320g
USB power supply net weight: 20g
Colour: Transparent / Black
Material: plastic
Package Contents:
1 x Bluetooth speaker kit
Note:
The acrylic shell has a protective film. Before assembling, tear off the protective film aterial: plastic
Package Contents:
1 x Bluetooth speaker kit
Note:
The acrylic shell has a protective film. Before assembling, tear off the protective film and figure out the
Position, then install the speaker, circuit board, and finally assemble.
The adjustable resistance to adjust the sensitivity is welded on the back of the PCB, and it is exposed after the shell is installed, which is convenient at any time
Adjust the sensitivity.
The components should be welded from short to high, paying attention to distinguish the positive and negative poles. Electrolytic capacitors, light-emitting diodes
Polarity: the long leg is positive, and the short leg is negative.
After the welding is completed, check whether there is a false welding or short circuit, and then power on the test after confirming that it is correct.
The positive and negative poles of the power supply must not be reversed, otherwise the chip will be burnt out when the power is turned on.
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm.
1005004388456905./2 - 7king