SKU: 637718978215104019
JSN-SR04T Waterproof Ultrasonic Distance Sensor Waterproof Ultrasonic Distance Sensor gives distance value using ultrasonic waves. JSN-SR04T Ultrasonic Sensor can be read using any microcontroller board like ARDUINO UNO, ARDUINO DUE, ARDUINO PRO MINI, ARDUINO NANO, AND OTHER DEVELOPMENT PLATFORMS.
JSN-SR04 v3.0 Waterproof Ultrasonic Distance Sensor Electrical parameters:
- JSN-SR04T
- Operating voltage: DC 5V
- Quiescent current: 5mA
- Total current work: 30mA
- Acoustic emission frequency: 40khz
- Farthest distance: 4.5mBlind: 25cm
- Wiring: + 5V (positive power supply)
- Trig (control side)
- RXEcho (the receiver)
- TX
- GND (negative)
- Module size: 41mm * 28.5mm
- Resolution: about 0.5cm
- Angle: less than 50 degrees
- Working temperature: -10 ~ 70 ℃
- Storage temperature: -20 ~ 80 ℃
Product Features:
- small size, easy to use;
- low voltage, low power consumption;
- high accuracy;
- strong anti-jamming;
- integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions.
Application:
- Horizontal distance;
- obstacle avoidance, automatic control;
- the object approaches, there is a perceived
- traffic control;
- security, industrial control;
- artificial intelligence, and research
The basic working principle:
- (1) using IO port TRIG trigger location, to the high-level signal of at least 10us;
- the module automatically sends 8 40KHz Fang Bo, automatic detecting whether a signal return;
- a signal return, a high level is output through the IO port ECHO, the time duration of the high level is
- ultrasonic from launch to return. The test distance = (high level time * speed of sound (340M/S)) /2;
- This module uses the simple method, a control port with a 10US above high level, can wait for a high level
- output at the receiving port. An output can drive the timer when this port is low can read the timer value,
- this time for the location of the time can be calculated distance. So constantly cycle test, that can achieve
- the measurement of the value of your mobile.Package included：1 x Ultrasonic Module Distance Measuring Transducer Sensor Perfect Waterproof
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Package Includes:
1 x JSN-SR04 Waterproof Ultrasonic Distance Sensor
Wiring:
- 3-5. 5V (power +)
- Trig (Control) RX
- Echo (output) TX
- GND (power-)
- Working temperature: -20-+70 degree
Function description: 6 modes
- Mode 2: M2 short connection is serial port controlled output
- Mode 1: M1 short connection is automatic serial output
- Mode 0: Mode floating = trigger pulse width output (factory default mode)
- Mode 3: Mode welding 200K = automatic distance pulse width output
- Mode 4: Mode welding 360K = low power pulse width mode output
- Mode 5: Mode welding 470K = switch mode output
- Mode 1: Mode=open means no welding. The mode is explained as follows
Basic working principle:
(1) Adopt IO port TRIG to trigger ranging. Present a high level signal of at least 10us.
(2) The module automatically sends eight 40khz square waves and automatically detects whether a signal returns;
(3) When a signal returns, a high level is output through the IO port ECH0. The duration of the high level is the time from the transmission of the ultrasonic wave to the return. Test distance height = (high level time * speed of sound (348M/S))/2.
(4) After the module is triggered for ranging, if the echo cannot be received (the reason exceeds the measured range or the probe does not face the measured object), the ECHO port will automatically become low after 40MS, marking this time The measurement ends, regardless of success.
Mode 2: Mode=47K (or directly short M1 bit) UART automatic output
The UART automatic output mode outputs the measured distance value (hexadecimal number) according to the UART communication format. This mode does not require an external trigger signal. The module can automatically measure every 100ms. The TX pin outputs the measured distance value after each measurement is completed.
Mode 3: Mode=120K (or short M2 bit directly) UART controlled output
The UART controlled output method outputs the measured distance value (hexadecimal number) according to the UART communication format. In this method, the trigger command oX55 signal needs to be added to the RX pin. The module measures once every time the command is received. The foot outputs the measured distance value. The command trigger cycle should be greater than 60ms.
Mode 4: Mode=200K high level (PWM) pulse width automatic output
Under the pulse width PWM automatic output, the module automatically measures at a period of 200ms, and outputs a pulse width high level corresponding to the distance after the measurement. Calculating distance mode reference mode 1.
Mode 5: Mode=360K low power consumption (PWM) high level pulse width controlled output
In low-power mode, the module's shut-down dog is disabled. This module is suitable for battery-powered users. The static power consumption is less than 70UA. The working distance measurement method is the same as mode 1.
Mode 6: Mode=470K switch output
The module will set a threshold value at the factory, the default is 1.5 meters. The module performs ranging every 200ms. When the detected distance value of the target is less than the set threshold, the Echo pin outputs a high level. The currently detected distance value is greater than the set threshold, and the Echo pin outputs a low power. In order to improve the stability, the factory defaults that the distance detected by the target for two consecutive times is less than the set threshold. Signal, no driving ability. Transistor drive relays should be added during application. If there are special requirements, you need to modify the threshold or other settings, you need to specify when purchasing.
