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23 Four digital tube This is a high quality
1 ultrasonic sensor interface
MagSafe Battery Pack White Color
tilt switch sensor has a button signal
Voltage Range: 11
Ne555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator OLED display 23 Four digital tube ThisNE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator is 5 V square wave signal generator. Wave Signal Generator generates a square wave signal used for experimental development. Also, use to drive a stepper motor for generating a square wave drive signal. The output duty cycle can fine tune. Duty cycle and frequency is not separately adjustable, adjusting the duty cycle will change the frequency. Features of NE555 Pulse
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