JSN-SR0T4-2.0 ultrasonic distance measuring module can provide 20cm-600cm non-contact distance sensing function, ranging accuracy up to 2mm; module includes transceiver ultrasonic sensor and control circuit. It is a piezoelectric sensor made using electrostrictive phenomena. An alternating voltage is applied to a piezoelectric material slice (for example, a quartz crystal, a piezoelectric ceramic, a lead titanate titanate, etc.) so that it generates electrostrictive vibration and generates ultrasonic waves. When the frequency of the applied alternating voltage is equal to the natural frequency of the wafer and resonance occurs, the generated ultrasonic wave is the strongest. Piezoelectric ultrasonic receivers generally use the inverse effect of ultrasonic generators to work. Their structure is basically the same as that of ultrasonic generators. Sometimes they use the same transducer as both the generator and the receiver. When the ultrasonic wave acts on the piezoelectric wafer to make the wafer expand and contract, an alternating charge is generated on the two interfaces of the wafer and then converted into a voltage and then amplified and sent to a measuring circuit for recording or displaying.
This product uses industrial-grade integrated ultrasonic probe design, a certain degree of waterproof (but can not be immersed in water), stable performance, compatible with all MCU work on the market.
small size, easy to use;
wide power supply range, low power consumption;
high measurement accuracy, high resolution
the detection of blind area is small, farther away;
output diversification, pulse width output, serial output
Product parameters:
Operating voltage: DC 3.0~5.5V
Operating current: less than 8mA
Probe frequency: 40kHz
Long range up to: 600cm
Near Range: 20cm
Distance accuracy: +-1cm
Measuring angle: 75 degrees
Input trigger signal:
1, TTL pulse above 10uS
2, serial transmission instructions 0X55
Output reverb signal: output pulse width level signal, or TTL
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