JSN-SR04 Ultrasonic Ranging Sensor Module Reversing Radar Waterproof Ultrasonic Ranging Kit
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1. Button description: from the first one on the left, – button, + button, set button.
2. Single-chip model: STC89C52 / 5, AT89S52 optional, default issued STC89C52.
3. The alarm distance can be set. After pressing the setting button, you can press the plus or minus button to modify the alarm distance and have the power-down save function.
4. When the measured distance is less than the set distance, the buzzer will alarm.
5. Module measurement range: 5cm–4m.
6. This design can be used as a reversing radar for automobiles.
7. The characteristics of this design: wide measurement range, stable, very convenient to operate, can be used after power-on.
8. Input voltage: DC 4.5-5.5V
1 x JSN-SR04 Ultrasonic Ranging Module Kit
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|Airmail and Airmail Registered||Area||Time|
|United States, Canada||7-20 business days|
|Australia, New Zealand, Singapore||7-20 business days|
|United Kingdom, France, Spain, Germany, Netherlands, Japan, Belgium, Denmark, Finland, Ireland, Norway, Portugal, Sweden, Switzerland||7-20 business days|
|Italy, Brazil, Russia||10-35 business days|
|Other countries||7-25 business days|
|Expedited Shipping||3-8 business days to Worldwide|
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