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Specification
Brand : cizihuu
BulletPoint1 : This product is simple to use, a control mouth made a 10US above the high level, you can wait for the reception of high-level output.
BulletPoint2 : An output can be opened timer, when the mouth becomes low when you can read The value of the timer, this time for the distance of time, can be calculated from the distance.
BulletPoint3 : TRIP pin is the internal pull-up 10K resistor, with the MCU IO port pull down TRIP pin, and then to a 10us or more pulse signal.
BulletPoint4 : Sensor component allows users to lower the cost of their systems without sacrificing performance
BulletPoint5 : Maximum range of 5000 mm (195 inches)
Color : HC-SR04
ItemName : 1pcs Ultrasonic Module HC-SR04 3.5-5v,HC-SR04
ItemTypeKeyword : ultrasonic-proximity-sensors
Manufacturer : cizihuu
PartNumber : 2HijagBZOE6-0
ProductDescription : Origin:CN(Origin)
Material:Porcelain
Type:Sound Sensor
Model Number:HC-SR04
Working voltage: DC5V
Quiescent current: less than 2mA
Level output: High 5V
Level output: Bottom 0V
Sensing angle: not more than 15 degrees
Detection range: 2cm-450cm
High precision: up to 0.3cm
Board connection: VCC-trig (control side), echo (receiver), out (empty feet), GND

using IO trigger ranging,to at least 10us of high-level signal;
the module automatically sends eight 40khz square wave, automatically detect whether there is signal return;
there is a signal return, through the IO output of a high, high duration is the time from the launch to the return of ultrasound.
ProductSiteLaunchDate : 2021-11-15T10:23:06.245Z
UnspscCode : 41112200