Hands-on learning
This DIY soldering kit is designed for practical electronics education, making it ideal for STEM projects and hobbyists.
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Why customers love it
Build your own ultrasonic distance alarm
This hands-on soldering kit lets you assemble a functional ultrasonic distance measurer with a digital display, LED indicators, and an audible alarm — a practical way to learn electronics while creating a working gadget.
- Measures distances from 0 to 270 cm with a digital tube display
- LED lights activate progressively as distance increases for visual feedback
- Customizable obstacle-avoidance threshold via two simple buttons
- Buzzer sounds a warning when objects are closer than your set limit
- Clear, labeled PCB makes soldering straightforward for beginners
- Includes a color-printed manual with step-by-step assembly instructions
Why you'll love this kit
Real-time feedback
Once assembled, it delivers live distance readings on an LED display, with LED lights and a buzzer providing clear visual and audible alerts.
Customizable threshold
Two simple buttons let you set your own obstacle-avoidance distance, so the alarm triggers exactly when you want it to.
Beginner-friendly build
A clear, labeled PCB and a color-printed manual with step-by-step instructions make assembly straightforward for newcomers.
Setup
How to build it
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Prepare your soldering station
Gather your soldering iron and tools, then lay out the clear, labeled PCB and components from the kit.
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Solder components step by step
Follow the color-printed manual's step-by-step instructions to solder each part onto the labeled board, simplifying the process for beginners.
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Power up and test
Once assembly is complete, power the device to see real-time distance readings on the LED display and test the alarm by adjusting the threshold with the two buttons.
Specs
The details that matter
- Distance range
- 0-270 cm
- Display
- LED digital tube
- Sensor
- HC-SR04 ultrasonic
- Alerts
- LED lights and buzzer
- Product type
- Soldering practice kit
More details
Build your own ultrasonic distance measurer with this hands-on soldering kit. Once assembled, it delivers real-time distance readings on a digital display, with LED indicators and an audible alarm when objects are too close — perfect for learning electronics while creating a functional gadget.
- Measures distances from 0 to 270 cm with a digital tube display
- LED lights activate progressively as distance increases, providing visual feedback
- Customizable obstacle-avoidance threshold via two simple buttons
- Buzzer sounds a warning when objects are closer than your set limit
- Clear, labeled PCB makes soldering straightforward for beginners
- Includes a color-printed manual with step-by-step assembly instructions
- Great for STEM education, hands-on projects, and obstacle detection experiments
Ideal for hobbyists, students, and anyone interested in practical electronics.
Frequently asked questions
Everything you might want to know before you order.
What distance range does this kit measure?
Once assembled, the kit measures distances from 0 to 270 cm using an HC-SR04 ultrasonic sensor, with readings shown on an LED digital tube display.
How do I customize the obstacle-avoidance threshold?
Two simple buttons on the device let you set your own obstacle-avoidance threshold, so the alarm triggers when objects come closer than your chosen limit.
What kind of feedback does the device provide?
The device provides both visual and audible feedback: LED lights activate progressively as distance increases, and a buzzer sounds a warning when objects are closer than your set limit.
Is this kit suitable for beginners?
Yes, the clear, labeled PCB simplifies soldering, and the included color-printed manual provides step-by-step assembly instructions, making it suitable for STEM education and hobbyists.
What is included in the kit?
The kit includes the components needed to build the ultrasonic ranging alarm, along with a color-printed manual featuring step-by-step assembly instructions.
How do delivery and returns work?
Shipping
Free standard shipping
To Germany: 1–3 business days processing, then 5–12 business days in transit. Estimates, not guaranteed dates.
Your dispatch email includes a tracking link. Contact us if it has not arrived within 5 business days of ordering.
Outside the EU, import duties and local taxes may be payable on delivery. See the shipping policy for supported destinations and conditions.
Returns
Request a return within 14 days of delivery. Standard eligible returns must meet the policy conditions; a €4 prepaid-label fee is deducted from the refund. Return shipping is free for faulty, damaged or incorrect items. Contact us promptly if something is wrong. Your mandatory consumer rights are unaffected.
Product reviews · Judge.me
Read it from other buyers
K
Good product. Complete. Delivery on time.
J
everything as described in the publication
M
nice little kit