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Help CenterUltrasonic Module HC-SR04 Distance Measuring Transducer Sensor O305
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Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor O305
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
Shenzhen Big Tree Technology Co., Ltd is a manufacturer of 3D printer, 3D Printer parts(For example Mega2560,ramps 1.4,a4988,Hotend,endstop),Sensor module, CNC main board,ect. with well-equipped testing facilities and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in 3D Printer and other industries.
We have the best products and professional sales and technical team, in the
company's development and growth in a year, we offer our customers the best
products, good technical support and good after-sales service.
We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!
Packing Detail
Customized Package PE Bag or Bubble bag or Carton box
Shipping
1. By Express suggested by DHL, UPS, EMS or TNT
2. By Air, by sea and by express are all available.
TM: cn1515411684pwgz
QQ: 1539429969
Website Link: https://img13.fr-trading.com
1. Supply high quality Accessories.
2. Supply Ability:100,000 pieces per month.
3. Our professional service can help you greatly to save cost and control quality.
4. With large production capacity to ensures the shipment on time.
5. Welcome to inquire, you will get the quotation soon, because we can serve to you
at any time.
Q1. How can we know the product quality?
A1: We suggest you to order a sample. Also, you can send us email for detail photos for checking if you cannot get enough information in the product page.
Q2. When can we get reply after sendingyou the RFQ?
A2: Our working time is 9:30am. - 6:30pm. , Monday to Saturday. Your RFQ will be replied immediately during working time, in 24hours during non-working time.
Q3. Can I get free samples?
A3: Yes, some samples are free for customer, but you need to pay for the express fee. For details please send message to our sales service.
Q4. Is there cheap shipping cost to import to our country?
A4: For small order, express will be faster but the shipping cost will be expensive, post air mail will be cheaper but will take 1-2 month of shipping time. And for bulk order, sea shipping way is best but take much time. For urgent orders, we suggest via air to airport plus our ship partner send to your door.
Q5. How to order?
A5:
1. Tell us which models,Quantitiy,color you want to order
2. We will make PI(performa invoice) for your order to confirm
3. Checking the PI, we will delivery the goods ASAP when we receive your payment. And the shipping cost is depending on the weight.
Send Inquiry to This Supplier
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