Thank you very much for your order and support .
Spring Festival is coming .It is very very important festival for us .
So we will have a week holiday from 2017.1.21 to 2017.2.1 .
During this week ,we couldn’t ship the product to you .
Very sorry about this problem.
Please believe us .We are honest seller .
When the holiday ending, we will working overtime , try our best to send the product to you .
If you have any problem , feel free to contact us .
Thank you very much for your cooperation.
Happy New year and Happy Valentine’s Day, Love you^-^
This module has stable performance and accurate measurement distance. Module high-precision, blind (2cm) ultra-close, stable range is the success of this product to the market a strong basis! This module fully humility GH-311 anti-theft module. (1) using IO trigger ranging,to at least 10us of high-level signal; (2) the module automatically sends eight 40khz square wave, automatically detect whether there is signal return; (3) 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. Test distance = (high time * sound speed (340M / S)) / 2; 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. 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. Such a continuous cycle of measurement, you can move the measured value
The module features:
1: Working voltage: DC5V 2: Quiescent current: less than 2mA 3: Level output: High 5V 4: Level output: Bottom 0V 5: Sensing angle: not more than 15 degrees 6: Detection range: 2cm-450cm 7: High precision: up to 0.3cm Board connection: VCC-trig (control side), echo (receiver), out (empty feet), GND Note: 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. OUT feet for this module as the anti-theft module when the switch output pin, Ranging module does not use this foot!
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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