High Precision Ultrasonic Sensor (DYP-A21)

Features of the DYP-A21 module include millimeter resolution, 3cm to 500cm range, construction and severaloutput types: PWM pulse width output, UART controlled output, UART automatic output, switching output, RS485 output,ICC output,CAN output.

The sensor adopts a compact and sturdy PVC housing and meets the IP67 water intrusion standard. In addition, the A21 uses high output sound power, combined with continuously variable gain, real-time background automatic calibration and noise suppression algorithms to provide almost noise-free distance readings.

•wide voltage supply ，working voltage3.3～24V；
•blind area can up to 2.5cm minimum；
•The farthest range can be set, a total 5-level range of 50cm to 500cm can be set through instructions；
•A variety of output modes are available,UART auto / controlled, PWM controlled, switch volume TTL level(3.3V), RS485,IIC,etc. (UART controlled and PWM controlled power consumption can support ultra-low sleep power consumption≤5uA)；
•The default baud rate is 115,200, Supports modification；
• Ms-level response time, data output time can up to 13ms fastest；
•Single and double angle can be selected, a total of four angle levels are supported for different application scenarios；
•Built-in noise reduction function which can support the 5-grade noise reduction level setting；
•Intelligent acoustic wave processing technology, built-in intelligent algorithm to filters interference sound waves, can identify the interference sound waves and automatically perform filtering；
•Waterproof structure design, waterproof grade IP67；
•Strong installation adaptability, installation method is simple, stable and reliable；
•Support remote firmware upgrade；