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Help CenterSensor Module for Arduino HC-SR04 Sound Ultrasonic Range Distance
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Specifications
Stable performance, precise measure of distanceStable performance, precise measure of distance. And can compare with SRF05, SRF02 Ultrasonic Ranging Module. Module precision,blind spots (2cm) super close, stable distance measurement!
Feature:
Voltage: DC5V
Quiescent current: less than 2mA
Level output: 5V high
Level of output: 0V low
Induction Angle: not more than 15 degrees
Detection distance: 2cm-450cm
High precision: better than 2mm
Wiring, VCC, trig 's (control side), echo (receiving end), GND
Note:
(1) IO trigger ranging to at least 10us high signal;
(2) module automatically sends eight 40kHz square wave, automatically detect whether a signal return;
(3) a signal to return to a high IO output, high duration of the ultrasonic time from launch to return. Test distance = (time high * speed of sound (340M / S)) / 2
Company Information
Based in Wuhan, Central China Hubei Province, Lilly Electronics is engaged in fabrication, sales and R&D of consumer electronics maninly in the industry of Laser, IC and LED! You are welcome to visit us for culture exchange and mutrual business development and progress.
Our service:
[Payment Information]
1. T/T (Wire Transfer)
2. WESTERN UNION
3. PAYPAL
[Shipping]
1. We will ship the items within 3 working days after the payment confirmed.
2. We can ship to you by UPS/DHL/TNT/EMS/FedEx. Please contact us directly and we will use your preferred ways. For the Countries & Regions where EMS cannot deliver, please choose other shipping ways.
3. We are not responsible for any accidents, delays or other issues caused by the forwarder.
4. Any import fees or charges are on the buyer's account
Refund & Replacement
1. We appreciate your business and offer an instant 7 days return policy. (7 days after receiving the items).
2. If the items you purchase from our store are not of perfected quality, that is they don't work electronically to manufacturers specifications, simply return them to us for replacement or refund.
3. If the items are defective, please notify us within 3 days of delivery.
4. Any items must be returned in their original condition to qualify for a refund or replacement.
5. The buyer is responsible for all the shipping cost incurred.
other links of our company's products: ( for retailing customers)
/usr/goldy0903, /lillyelectronics/
/store/211860, /store/1081270
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