Audio Spectrum Indicator DIY Kit, DC 3V-12V LED Level Indicator Kit 5mm Red/Green/Blue LED LM3914 Level Indicator Diy Kit Electoronics

• 40pcs highlight LED.
• Perfect simple circuit.
• Automatic flashing & adjustable sensitivity.
• DIY hand soldering.
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Introduction: FED-201 is a Audio Spectrum Indicator DIY Kit. It can display in Red / Green / Blue according to the input audio signal from microphone. It can be used to display the intensity of audio. The number of LED displayed changes according to the intensity of the audio Parameter: Product Name: Audio Spectrum Indicator DIY Kit Product Number: FED-201 Work Voltage: DC 3V-12V Work Current: 120mA Power Type: 3.5mm Power Socket Work Module: Switch Control Color: Red & Green & Blue LED Work Temperature: -40℃~85℃ Work Humidity: 5%~85%RH Size(Installed): 142*22*30mm Application: Training welding skills Student DIY production Project Design 5. Electronic competition present giving Crafts collection Home decoration Souvenir collection Graduation design Holiday present Installation Tips: 1. Needs to prepare welding tool at first. 2. Please be patient until installation is complete. 3. Package is DIY kit. Need finish install by user. 4. Soldering iron can't touch components for a long time(1.0 second), otherwise it will damage components. 5. Pay attention to positive and negative of components. 6. Strictly prohibit short circuit. 7. Must install LED according to specified rules.Otherwise some LED will not light. 8. Install complex components preferentially. 9. Make sure all components are in right direction and place. 10. Check all of the LED can be illuminated. 11. Strongly recommended to read installation manual before starting installation. 12. Please wear anti-static gloves or anti-static wristbands when installing electronic components.