Ultrasonic Ranging Sensor Module Alarm Learn to Solder Electronics DIY Kit

Description: ☆ Welcome☆ to ☆ my ☆ shop ☆ About this item1. 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.> We only ship to confirmed Paypal addresses. Your Paypal address MUST MATCH your Shipping address.CountryShipping WayShipping TimeTrackable United StatesUSPS(ePacket)7-18Yes RussiaChina Post15-35Yes Other CountryEconomic Air Mail15-40NoIf you need register 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 refund after we receive our original item.> We maintain high standards of excellence and strive for 100% customer satisfaction! Positive feedback is very important to us. We request that you contact us BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns Contact us> Our goal is customer satisfaction!> Our Working-time From 8:30 AM to 21:30 PM(GMT+08) .> We strive to provide you with the best service, we will reply your question within 24 hours.( 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 within 7 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 and comprehension are highly appreciated for me. Thanks for everything, and at last, I full of expectation to do business with you!!!!

Price: 13.78 USD

Location: ShenZhen

End Time: 2025-01-27T07:10:56.000Z

Shipping Cost: 0 USD