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US-100 Ultrasonic Ranging Module - Image 1
US-100 Ultrasonic Ranging Module - Image 2
US-100 Ultrasonic Ranging Module - Image 3
US-100 Ultrasonic Ranging Module - Image 4
US-100 Ultrasonic Ranging Module - Image 5
US-100 Ultrasonic Ranging Module - Image 6
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US-100 Ultrasonic Ranging Module
US-100 Ultrasonic Ranging Module - Image 2
US-100 Ultrasonic Ranging Module - Image 3
US-100 Ultrasonic Ranging Module - Image 4
US-100 Ultrasonic Ranging Module - Image 5
US-100 Ultrasonic Ranging Module - Image 6

US-100 Ultrasonic Ranging Module

$4.35

US-100 Ultrasonic Ranging Module.Ultrasonic Sensor with Temperature Compensation and Dual Modes

Dimensions 45 × 20 × 13 mm
Brand

easyelecmodule

4339 in stock

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SKU: US-100 Ultrasonic Module Category: Tag:
DESCRIPTION AND FEATURES
Electrical Parameters US-100 Ultrasonic Ranging Module
Operating Voltage DC 2.4V - 5.5V
Quiescent Current 2mA
Operating Temperature -20~+70°C
Output Mode Level or UART (selected by jumper cap)
Induction Angle Less than 15 degrees
Detection Distance 2cm - 450cm
Detection Accuracy 0.3cm + 1%
Serial Port Configuration in UART Mode Baud rate 9600, 1 start bit, 1 stop bit, 8 data bits, no parity, no flow control.
Module Dimensions 40mm × 20mm × 15mm
Module Weight 8g
Pin Number Function Description
Pin 1 Connect to VCC power supply (power supply range: 2.4V - 5.5V)
Pin 2 When in UART mode, connect to the TX terminal of the external circuit's UART; when in level-triggered mode, connect to the Ttig terminal of the external circuit
Pin 3 When in UART mode, connect to the RX terminal of the external circuit's UART; when in level-triggered mode, connect to the Echo terminal of the external circuit
Pin 4 Connect to the ground of the external circuit
Pin 5 Connect to the ground of the external circuit
  1. This module is not suitable for hot-swapping (connecting while powered on). If hot-swapping is necessary, connect the GND terminal of the module first; otherwise, the normal operation of the module will be affected.
  2. During distance measurement, the area of the measured object should be no less than 0.5 square meters, and its surface should be as flat as possible; otherwise, the measurement result will be affected.
  3. If the test surface is irregular or the object to be tested is at a long distance, multiple measurements can be taken for calibration.

Working Principle

Before powering on the module, first remove the jumper cap from the mode selection jumper to set the module to the level-triggered mode.

Just input a high level of more than 10 microseconds (μs) into the Trig/TX pin, and the system will emit 8 ultrasonic pulses of 40 kilohertz (KHZ). Then, it will detect the echo signal. After detecting the echo signal, the module will also measure the temperature value, correct the distance measurement result based on the current temperature, and output the corrected result through the Echo/RX pin.
 
In this mode, the module converts the distance value into twice the time value corresponding to a sound speed of 340 meters per second (m/s), and outputs a high level through the Echo pin. The distance value can be calculated based on the duration of this high level. That is, the distance value is: (Duration of high level × 340 m/s) / 2.
 
Note: Since the distance value has been corrected by temperature, there is no need to correct the ultrasonic sound speed according to the ambient temperature at this time. In other words, regardless of the temperature, the sound speed can be set to 340 m/s.
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Shipping Cost

We only ship to the United States. Shipping costs are calculated based on the total order amount.

Shipping Method And Delivery Time

All orders will be processed and shipped within 72 hours of placing the order (excluding weekends and holidays). They will ship from Shenzhen, China, primarily via 4PX logistics. Depending on the destination and logistics conditions, other carriers such as DHL, FedEx, UPS, USPS, etc., may also handle the delivery. Estimated shipping time is 7-12 business days, with actual delivery occurring in 10-17 business days, depending on logistics conditions.

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