Happy Holiday! Key mailing dates for package to arrive by Dec 22 within Canada is Dec 12 for Canada Post Expedited Parcel.

  • Onboard chip NE555
  • Single output, the output duty cycle square wave is about fifty percent
  • Onboard adjustable resistance, resistance to adjust the output frequency can be controlled
  • Onboard power indicator
  • Working voltage: 5 - 12V
  • Board size: 29 x 12mm

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