HC-SR04 Abstandsmessung Ultraschall Ultrasonic Sensor Module

HC-SR04 Abstandsmessung Ultraschall Ultrasonic Sensor Module

(4 Reviews)

1,49 € (Net 1,25 € )

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Delivery time: 1 - 3 Workdays (DE - int. shipments may differ)

SKU: SE10001
GTIN: 4060137001666
Category: Distance/ToF Sensor
Manufacturers: QITA
MPN: MD0017
Storage Tiers: Tier0

Description
Reviews

Ultrasonic ranging module HC - SR04 provides 2cm - 400cm non-contact measurement function, the ranging accuracy can reach to 3mm. The modules includes ultrasonic transmitters, receiver and control circuit. The basic principle of work:

Using IO trigger for at least 10us high level signal,

The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.

IF the signal back, through high level , time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time×velocity of sound (340M/S) /2

Wire connecting direct as following:

5V Supply
Trigger Pulse Input
Echo Pulse Output
0V Ground
If you are sourcing a ultrasonic ranging module , the HC-SR04 is good choose . Its stable performance and high ranging accuracy make it a popular module in electronic market .

Compared to the Shap IR ranging module , HC-SR04 is more inexpensive than it . But it has the same ranging accuracy and longer ranging distance.

Specification:

Power supply :5V DC
Quiescent current : <2mA
Effectual angle: <15°
Ranging distance : 2cm – 500 cm
Resolution : 0.3 cm
There are 4 pins out of the module : VCC , Trig, Echo, GND . So it's a very easy interface for controller to use it ranging. The all process is : pull the Trig pin to high level for more than 10us impulse , the module start ranging ; finish ranging , If you find an object in front , Echo pin will be high level , and based on the different distance,it will take the different duration of high level. So we can calculated the distance easily :

Distance = ((Duration of high level)*(Sonic :340m/s))/2

Storage Tiers:	Tier0
Shipping weight:	0,01 kg
Item weight:	0,01 kg
Dimensions ( Length × Width × Height ):	4,50 × 2,60 × 1,50 cm
RoHS Certificate:	compliant