USD 5.80/pieceUSD 3.50/pieceUSD 3.20/pieceUSD 2.40/pieceUSD 6.30/pieceUSD 7.60/pieceUSD 5.60/pieceUSD 16.20/piece
This performance of the ultrasonic sensor distance measuring module is stable, measure the distance accurately.
The module is with High precision, blind spots (3cm) super close. This module provides a full set of ranging process.
– Model: HC-SR04
– Operating 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 3mm
– Mode of connection: VCC / trig(T) / echo(R) / GND
– Module Working Principle:
– Adopt IO trigger through supplying at least 10us sequence of high level signal
– The module automatically send eight 40khz square wave and automatically detect whether receive the returning pulse signal
– 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 . Photos Part List ( Schematics and program can be sent via e-mail,Please contact us)
1 x HC-SR04 Ultrasonic Sensor
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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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