- Ultrasonic Distance Sensor provides very short (2CM) to long-range (4M) detection and ranging. The sensor provides precise and stable non-contact distance measurements from about 2cm to 4 meters with very high accuracy. It can be easily interfaced to any microcontroller.
This ultrasonic sensor module can be used for measuring distance, object sensor, motion sensors etc. High sensitive module can be used with microcontroller to integrate with motion circuits to make robotic projects and other distance, position & motion sensitive products.
The module sends eight 40Khz square wave pulses and automatically detects whether it receives the returning signal. If there is a signal returning, a high level pulse is sent on the echo pin. The length of this pulse is the time it took the signal from first triggering to the return echo.
Wiring
- 5V(positive)
- Trig(control)
- Echo(receive)
- GND(negative)
Features
- Measures the distance within a wide range of 2cm to 400cm
- Stable performance
- Accurate distance measurement
- High-density
- Small blind distance
HC-SR04 Ultrasonic Distance Sensor Module
- Working Voltage:5V (DC)
- Static Current: Less than 2mA
- Output Signal:5V
- Sensor Angle: Less than 15 Degrees
- Detection Distance: 2 cm to 450 cm
- High Precision: Up to 2 mm
- Input Trigger Signal: 10µs TTL impulse
- Echo Signal: Output TTL PWL Signal
- High sensitivity ultrasonic range sensor
- Works with Arduino board
₹50.00
Category:
Sensor
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Add to cart- Supports momentary or latching/toggle modes.
- Supports Active High or Active Low output signal modes.
- Dimensions : 15mm x 11mm.
- Input Voltage : 2 Volt – 5.5 Volts DC.
- The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V.
- Sensitivity can adjust by the capacitance(0~50pF).
- Have two kinds of sampling length by pad option(SLRFTB pin).
- Stable touching detection of the human body for replacing traditional direct switch key.
- Provides Fast mode and Low Power mode selection by pad option(LPMB pin).
- Provides direct mode、toggle mode by pad option(TOG pin).
- Open drain mode by bonding option, OPDO pin is open drain output, Q pin is CMOS output.
- All output modes can be selected active high or active low by pad option(AHLB pin).
- Have the maximum on time 100sec by pad option(MOTB pin).
- Have external power-on reset pin(RST pin).
- After power-on have about 0.5sec stable-time, during the time do not touch the keypad, and the function is disabled.
- Auto calibration.
- Re-calibration period is about 4.0 sec when the key has not be touched.