Product Details

STEM Traffic System Kit for Arduino with Scratch

WARNING :This product contains small components and is recommended for children under 8 years old to use under adult supervision. Do not swallow to avoid the risk of suffocation.

The Intelligent Traffic System STEM Kit is a hands-on educational platform designed to teach students how real-world traffic systems and smart city technologies work.

Built with Arduino UNO R3 and LEGO-compatible components, this kit allows learners to design and program a fully functional traffic system including traffic lights, barriers, sensors, and automated control mechanisms.

With support for Scratch graphical programming, beginners can easily create interactive traffic scenarios while understanding the fundamentals of automation, electronics, and smart control systems.

This kit turns complex smart city concepts into fun, interactive projects for students and classrooms.

✔ Arduino-based intelligent traffic system
✔ LEGO-compatible building platform
✔ Supports Scratch programming (beginner-friendly)
✔ Includes sensors, motors, and control modules
✔ Designed for STEM education and real-world simulation

🟢 FIELDS COVERED BY THIS PRODUCT

🚦 1. Smart City Systems

Traffic management systems
Real-world simulation models
Automated infrastructure

💻 2. Programming (Scratch + Arduino)

Block-based coding
Logic and control systems
Event-based programming

⚙️ 3. Mechanical Engineering

Barrier systems
Moving parts and structures
System assembly

🔌 4. Electronics & Sensors

Traffic light control (LED systems)
Sensor input systems
Signal processing

🤖 5. Automation & Control Systems

Timed systems
Sensor-triggered actions
Smart decision-making

🟢 ACTIVITIES STUDENTS WILL PERFORM

🚦 Traffic System Projects

Build a smart traffic light system
Program traffic light sequences (Red / Yellow / Green)
Simulate real road intersections

⚙️ Mechanical Projects

Build automatic road barriers
Create gate opening/closing systems
Construct moving traffic elements

💻 Coding Activities

Program traffic timing using Scratch
Control system behavior
Create interactive scenarios

🤖 Smart Automation Projects

Sensor-based traffic control
Automatic gate system
Smart intersection management

🟢 parameters

Microcontroller:ATmega328P

Operating Voltage:5V

Input Voltage:USB:5V, DC:6-12V

Digital I/O Pins:14(of which 6 provide PWM output)

PWM Digital I/O Pins:6

Analog Input Pins:8（A4 and A5 as fixed I2C）

DC Current per I/O Pin:20mA

Flash Memory:32KB(ATmega328P)of which 0.5 KB used by bootloader

SRAM:2KB(ATmega328P)

EEPROM:1KB(ATmega328P)

Total Current:The max output of USB power supply is 400mA，and DC is 1.6A

Max Power:8W

Clock Speed:16MHZ

Dimensions:87.5mm×60mm×20mm

Weight:37g(without housing)

Operating Temperature Range:-10°C~50°C

Online Tutorial Link for you(if you have any question ,please feel free contact with us )

//wiki.kidsbits.cc/projects/KD3017/en/latest/docs/index.html

Keyestudio Kidsbits UNOR3 Intelligent Traffic System Kit For Arduino Kit Compatible Lego For Scratch Graphtical Programming

Item Specifics

Shipping & Payment

SHIPPING

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have been shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location	*Estimated Shipping Time
United States	10-30 Business days
Canada, Europe	10-30 Business days
Australia, New Zealand	10-30 Business days
Central & South America	15-30 Business days
Asia	10-20 Business days
Africa	15-45 Business days

*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

RETURNS

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
If you received the wrong item you can request a refund or a reshipment.
If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
Your order did not arrive due to exceptional circumstances outside the control of ESSCOPAL (i.e. not cleared by customs, delayed by a natural disaster).
Other exceptional circumstances outside the control of https://esscopal.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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