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Working Voltage : 5V(DC)
Static Current: Less than 2mA.
Output Signal: Electric frequency signal, high level 5V, low level 0V.
Sensor Angle: Not more than 15 degrees.
Detection Distance: 2cm-450cm.
High Precision: Up to 0.3cm
Input Trigger Signal: 10us TTL impulse
Echo Signal : output TTL PWL signal
Mode of connection:
VCC
trig(T)
echo(R)
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 Included:
1 x HC-SR04 Ultrasonic Module Distance Measuring Transducer
,,,,,| Shipping method(s) | Shipping time | Tracking number |
|---|
| EU Warehouses | UK | 3-6 business days |
| Other EU countries | 7-10 business days | |
| USA Warehouse | USA | 3-6 business days |
| Other American countries | 7-10 business days | |
| AU Warehouse | Australia | 5-8 business days |
This warranty and return policy are only available for the sub categories of Arduino Compatible SCM & DIY Kits, 3D Printer & Supplies, Electronic Accessories & Gadgets.
Within 180 days
If there are any product quality problems which are not caused by artificial factors such as dis-assembly, misuse, drops or falls, water damage, unofficial firmwares, software modifications or any others causes of damage, we will cover the return shipping fees based on the shipping receipt you will provide only if these charges are worth less than US$40.
If the damage is related to the screen, this situation should not be considered to be included in the scope of this warranty.
If the damage is caused by you, and isn't related to any product quality problem, you're still able to send it back for repairing. However, you are responsible for paying the return shipping fees and the repair fees. If there any further costs occur during the return or repair process, we will ask you to take responsibility for those as well.
We will send you a bill showing all the charges we have to pay before sending it back to you.
After 180 days from shipment
All warranty requests will be rejected after 180 days from shipment.(3D printers and ebook readers have a warranty term of 1 year)
Return Policy
DOA (Dead on arrival) items
If the product (except for DIY kits) has arrived broken, please contact us within 3 days from the day you received it and then follow the 3 Days Product Guarantee.
About unsatisfactory products
If you are not satisfied with your purchase, you can return it within 3 days from its delivery date to receive a refund of your purchase minus the shipping fees or an exchange. You will have to pay the shipping fees both ways if the reason is not related to our mistake. Please ensure to return the item with its original packaging and in the same conditions in which you received it.
3D printer problem
If your 3D printer turns out to be defective, please provide us with the following info:
Your 3D Printer still works correctly:
There are lots of parts included in the package. If any parts have arrived damaged, please contact us to resend you those parts. If you're able to buy them in your country, please let us know and we will refund you the cost.
Your 3D Printer isn't working correctly:
Within the first year after purchasing, we offer free maintenance in case of quality problems (except for damage caused by incorrect use of the device. Please note that in case the damage is caused by using the machine, freight for repairing the device is required.
If quality problems occur within 45 days after receiving it, it is possible to get you a new machine.
If you dislike the item, you're free to send it back within 3 days after receiving it for a refund. You will be responsible for the shipping costs, and need to ensure that the returned product isn't damaged in any single way, and includes all original items in good condition.
E-Book reader problem
If your e-reader is not working correctly, please send us the following info:
Within one year of free maintenance of quality problems (except for screen damage), except for personal damage (such as personal damage maintenance is required to bear the freight).
Products with quality problems declared to us within 45 days after delivery can be exchanged for a new device (except cases of personal damage and any screen related problem).
Screen damage is considered as personal damage. Customers are responsible for the maintenance (screen change) fee and bear the freight.
As e-readers are high value products, it is recommended that customers have a certain knowledge about the use of e-raders. If this product isn't what you expected, feel free to send it back to us according to the terms written down in the 'Unsatisfied with product' section above.
Notes:
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