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US-100 Ultrasonic Sensor Distance Measuring Module

SKU: 8V5XBN9WWD
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4.7 (34 reviews)
The US-100 Ultrasonic Sensor Distance Measuring Module with Temperature Compensation is a high-accuracy, non-contact distance measurement sensor designed for obstacle detection, object ranging, robotics, automation, and proximity measurement applications. The module uses ultrasonic sound waves to determine the distance between the sensor and a target object. The US-100 transmits a burst of ultrasonic waves and measures the time taken for...
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The US-100 Ultrasonic Sensor Distance Measuring Module with Temperature Compensation is a high-accuracy, non-contact distance measurement sensor designed for obstacle detection, object ranging, robotics, automation, and proximity measurement applications. The module uses ultrasonic sound waves to determine the distance between the sensor and a target object.

The US-100 transmits a burst of ultrasonic waves and measures the time taken for the reflected echo to return. It offers a typical measurement range of 2cm to 450cm and supports both pulse-width Trigger/Echo mode and UART serial communication mode, making it flexible for different microcontroller and embedded-system applications.

A major advantage of the US-100 over basic ultrasonic modules is its temperature compensation capability. Because the speed of sound changes with air temperature, temperature compensation helps improve distance measurement consistency across changing environmental conditions. In UART mode, the module can also provide access to temperature information on commonly documented versions.

The module supports a wide supply range on commonly available versions and can be used with Arduino, ESP32, ESP8266, STM32, Raspberry Pi, RP2040, PIC, AVR, and other development platforms. Its compact design, dual communication modes, wide measuring range, and temperature compensation make it suitable for robotics, tank-level monitoring, parking assistance, security systems, and industrial prototypes.

Key Features

  • Non-contact ultrasonic distance measurement
  • Measurement range from approximately 2cm to 450cm
  • Built-in temperature compensation
  • Improved measurement consistency under changing temperatures
  • Supports Trigger/Echo pulse-width mode
  • Supports UART serial communication mode
  • Wide operating voltage range on common versions
  • Low power consumption
  • Fast and reliable distance detection
  • Narrow sensing angle of approximately 15° or less
  • High measurement resolution
  • Compact PCB module design
  • Dual ultrasonic transducers
  • Suitable for both 3.3V and 5V systems on common versions
  • Easy interfacing with microcontrollers
  • Suitable for robotics and automation systems
  • Useful for obstacle avoidance and proximity detection
  • More flexible communication options than basic ultrasonic modules

Shipping & Returns

Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications:

Sensor Type: Ultrasonic Distance Measuring Sensor
Model: US-100
Measurement Method: Ultrasonic Time-of-Flight
Detection Type: Non-Contact Distance Measurement
Measurement Range: 2cm to 450cm
Operating Voltage: Approximately 2.4V to 5.5V on commonly specified versions
Average / Static Current Consumption: Approximately 2mA or Less, depending on operating mode and module version
Communication Modes: Trigger/Echo Pulse Mode and UART Serial Mode
Trigger Input: TTL-Compatible Trigger Signal
Echo Output: Pulse-Width Distance Signal in Trigger/Echo Mode
UART Output: Serial Distance Data
Temperature Compensation: Supported
Temperature Measurement Access: Supported in UART mode on commonly documented versions
Detection Angle: Less Than Approximately 15°
Accuracy: Commonly Specified Around ±0.3cm + 1%, Depending on Conditions
Resolution: Up to Approximately 1mm on Commonly Specified Versions
Operating Temperature: Approximately -20°C to +70°C
Number of Ultrasonic Transducers: 2
Typical Module Dimensions: Approximately 45mm × 20mm, Excluding Header Pins
Typical Weight: Approximately 9g
Mounting Type: PCB Module
Compatibility: Arduino UNO, Nano, Mega, ESP32, ESP8266, STM32, Raspberry Pi, Raspberry Pi Pico, RP2040, PIC, AVR and other compatible controllers.

Additional Resources

US-100 Ultrasonic Sensor.PDF

FAQ

1. What is the US-100 Ultrasonic Sensor used for?

The US-100 is used for non-contact distance measurement and object detection. It is commonly used in obstacle avoidance robots, smart vehicles, parking systems, tank-level monitoring, automation systems, and microcontroller projects.

2. What is the measurement range of the US-100 sensor?

The US-100 typically measures distances from approximately 2cm to 450cm. Actual measurement performance can vary with target size, surface angle, environmental conditions, and acoustic interference.

3. What is the benefit of temperature compensation in the US-100?

The speed of sound changes with air temperature. Temperature compensation helps the sensor adjust for this effect, improving distance measurement consistency when environmental temperature changes.

4. Can the US-100 be used with Arduino and ESP32?

Yes. The US-100 can be used with Arduino, ESP32, ESP8266, STM32, Raspberry Pi, RP2040, PIC, AVR, and other compatible controllers using either pulse-based Trigger/Echo operation or UART communication.

5. What is the difference between the US-100 and HC-SR04 ultrasonic sensors?

The US-100 offers features such as temperature compensation, UART serial communication, and broader low-voltage compatibility on common versions. The HC-SR04 is generally a simpler Trigger/Echo-only sensor, while the US-100 provides more flexible interfacing options for advanced applications.