Using the FK409, students can demonstrate a bistable sound operated switch that responds to a voice or hand clap by changing state. Upon detecting the second sound the FK409 changes back to its original state. An on-board potentiometer allows for sensitivity adjustments.

Technical Specification
  • Power Supply : 12VDC. @ 50mA max.
  • Sensitivity Adjustment : Trimmer potentiometer.
  • Maximum Contact Load : 10A @ 125VAC and 5A @ 220VAC
  • PCB Dimensions : 2.92" x 1.49" x 0.8" (74.17mm x 37.85mm x 20mm)

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