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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Excellent stability
Four RP2040 IO are used for internal functions - driving an LED
RXD Serial Input or 0th GPIO pin of PORT 3
Ensure the liquids are compatible with the pump materials to prevent damage
HC-SR04 Ultrasonic Distance Sensor Module (Pack of 20) photoelectric proximity sensor Excellent stabilityHC SR04 Ultrasonic Distance Sensor Module (Pack of 20) This is a Ultrasonic Distance Sensor Module of 20 Quantity. Ultrasonic Module HC SR04 Distance Sensor can measure the distance to an object by using echo. It can measure the distance between the sensor and the object by the time from the sound wave of a specific frequency to the time when the sound wave is heard to bounce back. The HC SR04 Ultrasonic Distance Sensor Pack of 20 is perfect for all
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