HC-SR04 Ultrasonic Wave Detector Ranging Module Distance Measuring PCB 4 Arduino

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HC-SR04 Ultrasonic Wave Detector Ranging Module Distance Measuring PCB 4 Arduino
Product Description
Description:
100% brand new
Module main technical parameters:
1.Working Voltage : 5V(DC)
2.Static current: Less than 2mA.
3.Output signal: Electric frequency signal, high level 5V, low level 0V.
4.Sensor angle: Not more than 15 degrees.
5.Detection distance: 2cm-450cm.
6.High precision: Up to 0.3cm
7.Input trigger signal: 10us TTL impulse
8.Echo signal : output TTL PWL signal
Mode of connection:
1.VCC
2.trig(T)
3.echo(R)
4.GND
Use method:
Supply module with 5V, the output will be 5V while obstacle in range, or  0V if not.The out pin of this module is used as a switching output when  anti-theft module, and without the feet when ranging modules.
Note : the module should be inserted in the circuit before been power,  which avoid producing high level of misoperation;if not, then power  again.
Module Working Principle:
1.Adopt IO trigger through supplying at least 10us sequence of high  level signal.
2.The module automatically send eight 40khz square wave and  automatically detect whether receive the returning pulse signal.
3.If there is signals returning, through outputting high level and the  time of high level continuing is the time of that from the ultrasonic  transmitting to receiving. Test distance = (high level time * sound  velocity (340M/S) / 2.
Note : This module is not suitable to connect with electric power, if  you need to connect this module with electronic power,then let the GND  terminal of this module to be connected first,otherwise, it will affect  the normal work of the module
Package Includes:
QTY as your choice
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Delivery details
>tems will be shipped within 1~2 business day after payment received.
> Items are shipped from China using Airmail, delivery time depends on destination and other factors,reach most of the countries within 10 to 35 business days.
> if you choose the standard shipping method or SpeedPAK the item will get to you with in 20 days.
Country
Shipping Way
Shipping Time
Tracking Number
United States
SpeedPAK
7-18
Yes
Russian
Post by Air Mail
15-35
Yes
Other Country
Post by Air Mail
15-45
No
Brazil / Africa
Post by Air Mail
35-65
No
Terms of sales
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We stand behind our products 100% and carefully inspected by us.
Customers may request for an exchange or refund less shipping & handng within 30 days of receipt.
Return of non-defective or wrongly purchased items will be subject to a 20% restocking fee.
Product must be returned in is original packaging.
Buyers are responsible for paying the return shipping & handing charges for any replacement or refund request.
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