Reflective high-precision 3cm blind zone ultrasonic range finder (DYP-A20)

Features of the A20 module include millimeter resolution, 3cm to 300cm range, construction and severaloutput types: PWM pulse width output, UART controlled output, UART automatic output, switching output, RS485 output.

In addition,, Firmware filtering for excellent noise tolerance and clutter rejection

mm level resolution
On-board temperature compensation function, automatic correction of temperature deviation, stable ranging from -15°C to +60°C
40kHz ultrasonic sensor measures the distance to the object
RoHS compliant
Multiple output interfaces optional: PWM pulse width, UART controlled, UART automatic , Switch , RS485
Dead band 3cm
Max range 300cm
Working voltage is 3.3-5.0V, 5.0-24.0V (RS485)
Working current ≤8mA, ≤15mA (RS485)
Low power consumption design, standby current ≤5uA
Measurement accuracy of plane objects: ±(1+S*0.3%)cm, S represent the measurement distance
Small and light module
Designed for easy integration into your project or product
Operating temperature -15°C to +60°C
Waterproof IP67

Recommend for robot obstacle avoidance and automatic control
Recommend for object proximity and presence detection applications
Recommend for parking management system
Recommend for container liquid level height detection
……