Funny Voice Control Kit LED Melody Light DIY Electronic Learning Kits - Asia Sell

  • $9.50
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  • 1 Set Voice Control LED Melody Light LED DIY.
  • Voltage: 3-4 .5 V.
  • PCB material: FR-4 fiberglass board.
  • Dimensions: 34 * 34MM.
  • After the success of the package produced five LED will be with the rhythm of music or other sounds flashing up and can be placed near the sound, allowing light to music dancers!
  • SKD5 melody voice LED lamp is mainly from the power circuit, a microphone amplifier circuit, LED light circuit. Power from the J1 input, C1 filtering supply road use. MK1 the sound signals into electrical signals, coupled to the Q2 C2 the amplified signal to the base of Q1, Q1 driver 5 by the LED light, the greater the sound, LED lights brighter.
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