HC-SR04 Ultrasonic Sensor Module

94

  • Operating voltage: +5V
  • Operating Current: <15mA
  • Theoretical Distance that can be measured: 2cm to 4m
  • Practical Distance that can be measured: 2cm to 80cm
  • Accuracy: 3mm
  • Measuring angle covered: <15°
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SKU: EG0002
HC-SR04 Ultrasonic Sensor Module 94
  • Operating voltage: +5V
  • Operating Current: <15mA
  • Theoretical Distance that can be measured: 2cm to 4m
  • Practical Distance that can be measured: 2cm to 80cm
  • Accuracy: 3mm
  • Measuring angle covered: <15°
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Arduino Uno R3 Development Board (Without Cable) | Top Arduino Uno Specifications
SKU: EG0006
Arduino Uno R3 Development Board campatible with Arduino IDE Original price was: ₹825.Current price is: ₹443.

        Application of  Arduino Uno R3

  • Digital I / O digital input / output terminal: 0 to 13.
  • Analog I / O Analog inputs / outputs: 0 to 5.
  • Support ISP download function.
  • Output voltage: 5V / 3.3V DC.
  • Input voltage: No external power supply when connected to the computer
  • USB, external power supply 5V ~ 9V DC voltage input.
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Arduino Nano Soldered - DIP (without cable)
SKU: EG0095
Compact Arduino Nano – Perfect for Arduino IDE and Detailed Arduino Nano Pin Diagram Original price was: ₹544.Current price is: ₹381.

Applications of  Arduino Nano :

  • It has 22 I/O pins in total in which 14 are Digital (6 are PWM output) and 8 are Analog pins.
  • Operating Voltage (Logic Level): 5V.
  • Supports Serial, I2C, SPI Communication Protocols.
  • Flash memory: 32KB in which 2KB is used by Bootloader
  • Clock speed: 16MHz
  • DC Current per I/O Pin: 40 mA
  • SRAM : 2KB, EEPROM: 1KB
  • DC Current per I/O pin: 40mA
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SKU: EG0005
HC SR501 – PIR Motion Detection Sensor 104
  • Supply Voltage: 5V
  • Output: 3.3V TTL Logic
  • Infrared Sensor with Control Circuit Board
  • Adjustable Sensitivity and Holding Time
  • Coverage: 120° and 7m range
  • Low power consumption: 65mA
  • Temperature Range: -20°C to 80°C
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52 in stock

           
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HC-SR04 Ultrasonic Sensor Module

The HC-SR04  Ultrasonic Sensor operates by emitting Ultrasonic waves to gauge the distance to an object, similar to how bats navigate. This makes it a useful tool for distance measurement. The sensor is equipped with two Ultrasonic Transducers. One serves as a Transmitter, emitting a high-frequency Ultrasonic signal, while the other acts as a receiver, waiting for the echo signal that bounces back from any object in its trajectory.

The time interval between the two signals, divided by the speed of sound, provides the distance to the object. The sensor is theoretically capable of measuring distances from 2cm to 400cm, but in practice, it can easily measure up to 75-80cm. These sensors are cost-effective, user-friendly, and energy-efficient. They can be utilized to measure water depth, as waves can travel through water, detect and avoid obstacles in a robot’s path, and serve as a parking assist sensor.

Specifications:

  • Operating voltage: +5V
  • Operating Current: <15mA
  • Theoretical Distance that can be measured: 2cm to 4m
  • Practical Distance that can be measured: 2cm to 80cm
  • Accuracy: 3mm
  • Measuring angle covered: <15°

This module operates on a 5V supply. To initiate the measurement, the trigger pin must be set high for 10 microseconds and then switched off. This prompts the transmitter to emit an Ultrasonic wave at a frequency of 40HZ. The Echo pin stays high for a duration equivalent to the time it takes for the Ultrasonic wave to return to the sensor.

HC-SR04 Ultrasonic Sensor Pinout

HC-SR04 Ultrasonic Sensor Pinout: The duration for which the Echo pin remains high is measured by the controller, and the distance covered by the wave is calculated by multiplying it with the speed of sound. Therefore, the distance of the object from the sensor is determined by halving the distance covered by the wave.

 

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