Upgraded Version DIY Waterproof Voice-activated Music Melody LED Light Strip Kit

Description: The voice-activated melody lamp strip has a high-sensitivity sound pickup effect. After soldered, the kit can also be used as a dressing decoration. It can be used as cool decoration for a party, date, concerts, for DIY vases, fish tanks, etc. It can also be used as a home lantern decoration. The lamp strip is uniformly distributed in four colors of red, green, yellow and blue. Power supply range: 3-5V Board size: 49*12.5mm Shell size: 54*35*15mm Light strip length: 2M Circuit principle: As the sound of music or other sounds, the MIC converts the sound into electrical energy, and the light bar flashes with the rhythm of the sound (the speed of the sound). Lamp strip Soldering: 1. Use a blade to scrape off the insulation of the lamp with the wire ends 2. Test the positive and negative poles using the multimeter's resistance file 3. Press the positive and negative soldering to the PCB light strip output port (marked with + -). Name Parameter PCB mark Quantity PCB board 1 Transister S8050 Q1 1 S9014 Q2 1 Electrolytic capacitor 1UF C2 1 22UF C1 1 Resistor 10K R16 1 1M R18 1 4.7K R17 1 MIC 5*6mm MIC1 1 Positive spring 2 Negative spring 2 Case 55*35*15mm 1 MIC pin with two green dot is negative. Package included: 1 x LED Light Strip Kit