1 Set Ultrasonic Ranging Sensor Module Alarm Learn to Solder Electronics DIY Kit for Sale

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1 Set Ultrasonic Ranging Sensor Module Alarm Learn to Solder Electronics DIY Kit For Sale

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1 Set Ultrasonic Ranging Sensor Module Alarm Learn to Solder Electronics DIY Kit:
$13.88

☆ Welcome☆ to ☆ my ☆ shop ☆About this item

1. Ranging and Alarm Kit: Composes of a HC-SR04 ultrasonic Ranging sensor module, a buzzer and a STC89C25 chip(Programmed to use).
2. Easy to Solder: Clear symbols on the PCB board for simple welding provide a good experience of electronics soldering.
3. Two power supply options for choice: AAA battery or USB power supply. (a AAA battery case and a USB cable Included).
4. Easy to Setup: Press the +/- button to set the alarm distance and the buzzer will alarm loundly when measurment distance is less than the preset one.
5. Parameter: 4.5-5.5V DC. Measurement distance range: 1.96\" - 157.5\"

Product description:
Ultrasonic Ranging Alarm Soldering Electronics Project DIY Learning Practice Kit With HC-SR04 Distance Sensor Module and Buzzer.
Compose of HC-SR04 ultrasonic sensor, Parameter Input, Digtal tube display and alarm buzzer.
Use the widely used STC89C52 microcontroller as the core control unit which is popular and easy to use.
The circuit structure is also modular and labelled clearly for easy soldering.
Working voltage: DC 4.5-5.5V.
Measurement distance range: 1.96\" - 157.5\".
Distance (on the Digtal Tube) is shown in Meter.
Package List:
1 Set Ultrasonic Ranging Sensor Module Alarm Learn to Solder Electronics DIY Kit
Shipping

>We ship to worldwide.
>Orders processed within 24-48 hours after payment verification.
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Country

Shipping Way

Shipping Time

Trackable

United States

USPS(ePacket)

7-18

Yes

Russia

China Post

15-35

Yes

Other Country

Economic Air Mail

15-40

If you needregister mail or other express shipping, Pls contact us.Warranty & Guarantee

>Good good quality. Buy with confidence!
>Returned & Guarantee.
If not satisfied with the item, you can choose to return it for a replacement or money back.
We afford all cost if it\'s our fault. Exchange or refund.
Please contact me before you return it. full refundafterwe receiveour original item.
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BEFORE you give us neutralor negativeresponse, so that we can satisfactorily address your concerns

>Our goal is customer satisfaction!
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( IF have any problem, we will appreciate that you contact us first BEFORE open a dispute or request, we will try our best to solve the problem with you. )

Payment

>We accept Paypal only, It is fast, easy and safe.
>Payment must be completed within7 days.
>PLEASE NOTE: S&H DOES NOT INCLUDE DUTIES, LOCATL TAXES OR ANY OTHER IMPORTATION FEES.

About me Please contact me first before you leave a negative review if my item are damaged or defective when you got it, I\'ll do resend or refund(as your choice) once I confirm with that, which is a most kind of favourable way to both of us work things out together.Your support andcomprehension are highly appreciated for me. Thanks for everything, and at last, I full ofexpectation to do business with you!!!!