US-100 Ultrasonic Sensor Distance Measuring Module with Temperature Compensation
Description:
US-100 Ultrasonic Sensor Module is a high-performance, low-cost distance measuring device capable of accurately detecting objects using ultrasonic waves. It supports both ultrasonic ranging and temperature compensation, offering improved precision over basic modules like the HC-SR04.Equipped with built-in signal processing circuitry, the US-100 can measure distances from 2 cm to 450 cm (0.8 to 177 inches) with high accuracy and stability. It supports two modes of operation — serial (UART) and trigger/echo (PWM) — making it versatile for various microcontroller platforms including Arduino, Raspberry Pi, ESP32, STM32, and more.
Features:
1. Measures distance using ultrasonic waves (non-contact)
2. Built-in temperature sensor for auto-compensation
3. Dual operation modes: UART and GPIO (Trigger/Echo)
4. High sensitivity and stable performance
5. Compact and durable design
6. Low power consumption
7. Ideal for robotics, automation, obstacle avoidance, and liquid level sensing
Diagram:
Specifications:
| Sensor Type | Ultrasonic Distance Measuring Module |
| Model | US-100 |
| Operating Voltage | 3.0V to 5.5V DC |
| Working Current | ≤ 2mA |
| Measuring Range | 2 cm to 450 cm |
| Accuracy | ±1 cm |
| Resolution | ~1 mm |
| Ultrasonic Frequency | 40 kHz |
| Measurement Angle | ≤ 15° |
| Response Time | <100 ms |
| Baud Rate | 9600 bps |
| Dimensions | ~45mm × 20mm × 15mm |
| Weight | ~10g |
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