KEYESTUDIO HR-SR04 ultrasonic module KS0328, blue, 3pcs
This kit includes 3 HR-SR04 ultrasonic modules commonly used for distance measurement. The use of ultrasound is fast, convenient and simple to calculate achieving real-time distance control. It can provide a non-contact detection distance of 2cm-450cm, and its accuracy is up to 3mm. The ultrasonic module has an ultrasonic transmitter and receiver as well as the corresponding control circuit.
Instructions for use:
https://www.data-media.gr/files/KS0328.pdf
Specifications
Working Voltage : 5V(DC)
Static current: Less than 2mA
Output signal: Electric frequency signal, high level 5V, low level 0V
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
Note
The product is specialized and technical knowledge is required.
The warranty does not cover damage caused by incorrect wiring.