Waterproof Ultrasonic Distance Measuring Transducer Sensors -JSN-SR04

Description:

Waterproof Ultrasonic Distance Measuring Transducer Sensors -JSN-SR04 new version of SR04T-V3.0 recently released solves the problem of blind data jumps and improves the stability of the product. JSN-SR0T4-V3.0 ultrasonic ranging module can provide a 21cm-600cm non-contact distance sensing Function, ranging accuracy can be as high as 3mm; the module consists of an ultrasonic sensor and control circuit integrated with the transceiver. The usage of mode one is compatible with our HC-SR04 module

Features:

1. Small size and easy to use:
2. Low voltage and low power consumption:
3. High measurement accuracy;
4. Strong anti-interference;
5. Integrated closed waterproof probe with wire, suitable for wet and harsh measurement occasions
Product parameters:
Working voltage: DC: 3.0V-5.5V
Working current: less than 8mA
Probe frequency: 40kHz
The longest range: 600cm
Recent range: 20cm
Long-range accuracy: ±1cm
Resolution: 1mm
Mileage angle: 75 degrees
Input trigger signal: 1. TTL pulse above 10uS; 2. Serial port sending command 0X55
Output echo signal Output pulse width level signal, or TTL

Wiring:

3-5. 5V (power +)
Trig (Control) RX
Echo (output) TX
GND (power-)
Working temperature: -20-+70 degrees
Function description: 6 modes

Product features:

1. Small size and convenient to use;
2. Low voltage and low power consumption;
3. Measuring height;
4. Strong anti-interference;
5. Integrated enclosed waterproof tape probe, suitable for wet and harsh measurement occasions.

Product application:

1. Horizontal ranging;
2. Obstacle avoidance and automatic control;
3. Object approaching, presence awareness
4. Traffic control;
5. Security, industrial control;
6. Artificial intelligence, teaching and research

Basic working principle:

• (1) Use IO port TRIG to trigger distance measurement and give a high-level signal of at least 10us.
• (2) The module automatically sends 8 40khz square waves, and automatically detects whether there is a signal return.
• (3) When there is a signal return, a high level is output through the IO port ECHO, and the duration of the high level is the time from the ultrasonic wave to the return. Test distance = (high level time * speed of sound (340M/S))/2;

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Waterproof Ultrasonic Distance Measuring Transducer Sensors
darazsales

Ultrasonic Sensor HC-SR04

The HC-SR04 Ultrasonic Sensor is a highly reliable and accurate distance measuring device. It uses ultrasonic waves to detect and measure distances up to 400cm with an accuracy of 3mm. This sensor is easy to use and is widely used in robotics, automation, and other applications that require distance sensing.

Working Voltage : 5V(DC)
Static Current: Less than 2mA.
Output Signal: Electric frequency signal, high level 5V, low level 0V.
Sensor Angle: Not more than 15 degrees.
Detection Distance: 2cm-450cm.
High Precision: Up to 0.3cm
Input Trigger Signal: 10us TTL impulse
Echo Signal : output TTL PWL signal
Mode of connection:
VCC
trig(T)
echo(R)
GND

Use method:

Supply module with 5V, the output will be 5V while obstacle in range, or 0V if not.The out pin of this
module is used as a switching output when anti-theft module, and without the feet when ranging modules.
Note : the module should be inserted in the circuit before been power, which avoid producing high level
of misoperation;if not, then power again.

Module Working Principle:

1. Adopt IO trigger through supplying at least 10us sequence of high level signal.
2. The module automatically send eight 40khz square wave and automatically detect whether receive
the returning pulse signal.
3. If there is signals returning, through outputting high level and the time of high level continuing is
the time of that from the ultrasonic transmitting to receiving. Test distance =(high level time * sound velocity (340M/S) / 2.

Note :

This module is not suitable to connect with electric power, if you need to connect this module with
electronic power,then let the GND terminal of this module to be connected first,otherwise, it will affect the
normal work of the module

What is Ultrasonic Sensor with Arduino | LK-Tronics

Package Included:

1 x HC-SR04 Ultrasonic Module Distance Measuring Transducer

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Ultrasonic Sensor HC-SR04
lahiru Dhananjaya