ELEGOO 5PCS HC-SR04 Ultrasonic Module Distance Sensor Compatible with Arduino UNO MEGA Nano Robot XBee ZigBee
Elegoo HC-SR04 Ultrasonic Sensor is a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back. By recording the elapsed time between the sound wave being generated and the sound wave bouncing back, it is possible to calculate the distance between the sonar sensor and the object. Ultrasonic Sensor HC-SR04 is great for all kind of projects that need distance measurements, avoiding obstacles as examples. HC-SR04 provides 2cm-400cm non- contact measurement function, the ranging accuracy can reach to 3mm. The modules include ultrasonic transmitters, receiver and control circuit. Operatiing Principle of Ultrasonic Sensor As the name indicates, ultrasonic sensors measure distance by using ultrasonic waves. The sensor head emits an ultrasonic wave and receives the wave reflected back from the target. Ultrasonic Sensors measure the distance to the target by measuring the time between the emission and reception. The distance can be calculated with the following formula: Distance L = 1/2 × T × C where L is the distance, T is the time between the emission and reception, and C is the sonic speed. (The value is multiplied by 1/2 because T is the time for go-and-return distance.) Read more For Arduino Project with Ultrasonic Sensor Elegoo Ultrasonic Sensor HC- SR04 is inexpensive and easy to use since we will be using a Library specifically designed for this sensor, which can be downloaded from elegoo.com. To use it for Arduino projects you would need an ELEGOO UNO R3 controller board. Read more Technical Specification Power Supply :+5V DCQuiescent Current : 3mAWorking Current: < 5mAEffectual Angle: <15°Ranging Distance : 2cm - 300 cm/1″ - 10ftResolution : 0.3 cmMeasuring Angle: 30 degreeTrigger Input Pulse width: 10uSDimension: 45mm x 20mm x 15mm Read more Product Package 5 HC-SR04 Ultrasonic Sensors 10 Female-Male Dupont Cables 10 Female-Female Dupont Cables 1 Exquisite package box Protected with the thermoplastic film Read more ELEGOO Tumbller Self-Balancing Robot Car Kit Compatible with Arduino ELEGOO UNO Project Super Starter Kit w/Tutorials for Arduino Projects ELEGOO UNO Project Smart Robot Car Kit w/Tutorial based on Arduino Platform ELEGOO Mega 2560 Project The Most Complete Starter Kit w/Tutorials for Arduino ELEGOO UNO R3 Project Complete Starter Kit w/Tutorials for Arduino ELEGOO Upgraded 37 in 1 Sensor Modules Kit w/Tutorials for Arduino UNO, MEGA Controller Board NANO UNO R3 UNO R3 MEGA 2560 UNO R3 UNO R3, MEGA 2560 Arduino Compatible ✓ ✓ ✓ ✓ ✓ ✓
Product Features
- Ultrasonic hc-sr04 distance measuring transducer sensor
- HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object.
- ~Power supply: 5V DC; quiescent current: less than 2mA; effectual angle: less than 15; distance: 2cm500cm; resolution: 0. 3 cm~
- Package Content: 5pcs HC-SR04 with a little gift
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