This circuit is used as a checkpoint for competition in the robot field, which can choose to display 2 types, light or sound.

Technical data

  • Power supply : 2 rechargeable AA batteries (not included).
  • Electric current consumption : 100mA.
  • Detection : Micro switch.
  • Display : LED or Buzzer sound or both.
  • There is a stop switch when the circuit works.
  • PCB dimension : 2.92 in x 1.25 in.

  Download manual click here

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