Feature●High precision distance detection: The HC-SR04 module can detect distances with high precision up to 0.12 inches (0.3 cm) within a range of 2cm to 450cm (0.78 to 177 inches).●Automatic pulse signal detection: The module sends eight 40 kHz signals and detects whether there is a pulse signal back, making it easy to use and reliable.●Easy to power: The module requires only a 5V DC power supply and has a quiescent current of less than 2mA, making it energy-efficient.●Wide detection angle: The module has an effectual angle of less than 15°, making it suitable for a wide range of applications.●Package includes 5 modules: This package includes 5 HC-SR04 modules, which support HC-SR04 only.Description
Output signal: Electric frequency signal, high level 5V, low level 3.3V.
Sensor angle: Not more than 15 degrees.
Detection distance: 2cm-450cm.
High precision: Up to 0.3cm
Input trigger signal: 10us TTL impulse
Echo signal : output TTL PWL signal
Package contains:
5PCS Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor for Arduino