Reference: RBD-4015
Brand: Waveshare
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The JSN-SR04T V3.3 Integrated Ultrasonic Ranging Module is a waterproof, industrial-grade distance measurement sensor designed for outdoor and indoor applications requiring reliable non-contact ranging. This upgraded version improves measurement accuracy with built-in temperature compensation, enhanced stability, and stronger anti-interference filtering. Featuring six selectable working modes, long-distance detection up to 600cm, and a low blind zone of 20cm, it is ideal for reversing radar, obstacle detection, sewer measurement, and harsh-environment sensing.
The JSN-SR04T V3.3 Integrated Ultrasonic Ranging Module is a waterproof, industrial-grade distance measurement sensor designed for outdoor and indoor applications requiring reliable non-contact ranging. This upgraded version improves measurement accuracy with built-in temperature compensation, enhanced stability, and stronger anti-interference filtering. Featuring six selectable working modes, long-distance detection up to 600cm, and a low blind zone of 20cm, it is ideal for reversing radar, obstacle detection, sewer measurement, and harsh-environment sensing.
• Integrated waterproof ultrasonic probe and control circuit
• Upgraded V3.3 version with temperature compensation for improved accuracy
• Enhanced stability against switching power supply interference
• Built-in co-frequency interference filtering for cleaner and stable signals
• Adjustable measurement angle for narrow or wide field applications
• Six selectable operating modes, including PWM, UART automatic output and UART controlled mode
• Wide detection range from 20cm to 600cm
• Compatible with all major MCUs including Arduino, STM32, ESP32 and more
• Stable and accurate industrial-grade performance
• 2.5 meter waterproof cable included for flexible installation
Operating Voltage DC 3.0 to 5.5V
Operating Current Less than 8mA
Probe Frequency 40kHz
Detection Range 20cm to 600cm
Accuracy ±1cm at long distances
Resolution 1mm
Measuring Angle 75 degrees
Trigger Signal
TTL pulse greater than 10 microseconds
UART command 0x55
Output Signal Pulse width or UART TTL
Cable Length 2.5 meters
Module Size 42 x 29 x 12 mm
Operating Temperature -20°C to +70°C
PCB Color Blue
Supported Modes Mode 0, Mode 1, Mode 2, Mode 3, Mode 4, Mode 5
Mode 0 Trigger pulse width output (default mode)
Mode 1 UART automatic output every 100ms
Mode 2 UART controlled output using 0x55 command
Mode 3 Automatic PWM output every 200ms
Mode 4 Low-power PWM mode with ultra-low standby current
Mode 5 Digital switch output with factory-set threshold (default 1.5m)
• A 10us trigger pulse initiates ranging
• The module emits eight 40kHz ultrasonic pulses
• If an echo returns, the module outputs a pulse proportional to distance
• Distance is calculated as High level time multiplied by speed of sound divided by two
• If no echo is detected within 40ms, the module automatically resets
• Reversing radar and vehicle parking sensors
• Robotics obstacle detection and avoidance
• Horizontal distance measurement
• Sewer level and well depth measurement
• Smart traffic and security systems
• Industrial automation
• Presence and approach detection
• AI and educational projects
1 x JSN-SR04T V3.3 Waterproof Ultrasonic Distance Sensor Module
• High stability even in blind spots where other brands fluctuate
• Weatherproof and ideal for outdoor or harsh environments
• Multiple modes support a wide range of microcontroller projects
• Improved V3.3 accuracy with temperature compensation
• Industrial-grade sensing at an affordable price
Upgrade your sensing and ranging projects with the reliable and highly stable JSN-SR04T V3.3 module. Build smarter detection systems with precision and durability.
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The JSN-SR04T V3.3 Integrated Ultrasonic Ranging Module is a waterproof, industrial-grade distance measurement sensor designed for outdoor and indoor applications requiring reliable non-contact ranging. This upgraded version improves measurement accuracy with built-in temperature compensation, enhanced stability, and stronger anti-interference filtering. Featuring six selectable working modes, long-distance detection up to 600cm, and a low blind zone of 20cm, it is ideal for reversing radar, obstacle detection, sewer measurement, and harsh-environment sensing.
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