Passive/Active Buzzer Module 5V phone Timing Accuracy:1PPS out 10ns，Reacquisition Time<1s

Timing Accuracy:1PPS out 10ns，Reacquisition Time<1s

as well as proximity and gesture sensing with an IR LED

Brand new and high quality

Micro Mini Electric Step Motor

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Passive/Active Buzzer Module 5V phone Timing Accuracy:1PPS out 10ns，Reacquisition Time<1sBuzzer module make the simplest sound. Just change the frequency, you can hear different sounds (like alarm). Experiment with digital sound using this buzzer module. It is used on daily appliances, like PC, phones and so on. buzzer Passive Buzzer Module There is no shock and source inside the passive, so if the dc signal cannot make its chirp, it must be driven by the square wave of 2K 5K, the so+und frequency is controllable , it can be made, the