5PCS Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor for arduino SR04 for Sale

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5PCS Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor for arduino SR04 For Sale

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5PCS Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor for arduino SR04:
$4.90

Product Details

Feature:

1.This module performance is stable, measure the distance accurately. performance nearly the same as SRF05, SRF02 SRF05, SRF02 ultrasonic distance measuring module and other comparable. Module High precision, blind spots (2cm) super close.2.Main technical parameters:Voltage: DC 5V
Static current: less than 2mA
Electrical level output: 5V high
Electrical level output: at the end of 0V
Induction angle: not more than 15 degrees
Detection distance: 2cm-450cm
High precision: 2mm
Wiring: VCC, trig (control side), echo (receiving end), GND3.Module works:using IO trigger distance, the high signal to at least 10us
module automatically sends eight 40khz square wave, automatically detects whether a signal return;
a signal back, through the IO output a high electrical level, high electrical level duration is: the ultrasound time from launch to return. Test distance = (time of the high electrical level * speed of sound (340M / S)) / 2;Package Included:
5 x Ultrasonic Sensor Module HC-SR04 Distance Measuring Sensor For Arduino

Payment Method
Shipping Policy
Returns & Refund Method
- Managed Payment. But we only Accept your Address, please Make sure it's 100% right.
- Payment must be received in 5 business days of sale closing.
- Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
- Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.
Shipping Policy
1. We only ship to the confirmed address provided by . please make sure your address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
Returns & Refund Policy
- All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
- If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
- If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.
response
We maintain high standards of excellenceand strive for 100% customer satisfaction!response is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutralor negativeresponse, so that we can satisfactorily address your concerns.
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