Why isn't the Line-following Sensor working?

Ensure the sensor is 1-2cm from the map, avoid strong light interference, and use non-reflecting material for the map.

Why can't the software read the sensor value?

Check your wiring to ensure sensors are connected to the same port specified in the WeeeCode software program.

Is customization or OEM/ODM service available?

Yes, we offer customization services including OEM and ODM. Please contact us for more details regarding your inquiry.

Schools Projects 3 in 1 Car Chassis Esp32 Programmable Stem Education Robot Kit for Kids

Name: Schools Projects 3 in 1 Car Chassis Esp32 Programmable Stem Education Robot Kit for Kids
Brand: Weeemake Steam Tech Co., Ltd.
SKU: 2213952205

Guangdong, ChinaWeeemake Steam Tech Co., Ltd.

US$134.00

2-49 sets

US$120.00

50+ sets

Sample price:US$142.00/set.Request sample

Product profile

Customization

Available

Toy Department

Unisex

Material

Metal

Model NO.

161002

Age Range

All Ages

Product Name

Weeebot 3 in 1 Stem Robot Kit

Application

Learning and Teaching

Feature

Stem Programming Electronic

Description

Education Robot

Features

Stem Robot Learning

Software

Weeecode Arduino IDE

Transport Package

Gift Boxes

Specification

36X24X15 cm

Trademark

WeeeMake

Origin

Guangdong, China

HS Code

90230090

Production Capacity

10000pieces/Years

Key features

3-in-1 Versatile Design: Assembles into Coding Car, Smart Lamp, and Distance Measuring Robot.

Dual Programming Support: Compatible with WeeeCode (Scratch 3.0) and Arduino IDE for learning.

Replaceable ELF Mainboard: Supports ATMEGA-328P and ESP32 chips for flexible hardware upgrades.

Easy RJ11 Wiring: Modules feature RJ11 ports for quick, clean, and error-free assembly.

Comprehensive Sensor Kit: Includes RGB ultrasonic, line-following, light, sound sensors, and Bluetooth.

Mobile APP Control: WeeMake APP supports manual, line-following, obstacle avoidance, and voice control.

Global STEM Partner: Cooperates with 10,000+ schools in 60+ countries for education solutions.

Customization Services: Offers OEM/ODM services including customization from samples and designs.

Company profile

Patents AwardedR&D CapabilitiesFull CustomizationHigh Repeat Buyers Choice

Weeemake Steam Tech Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2016-02-01Nearest Port: Yantian PortAverage Response Time: ≤4.61h

AI-Powered supplier vetting

SummaryWeeemake Steam Tech Co., Ltd. is a Shenzhen-based Chinese factory established in 2018, focused on STEM education robot kits, AI maker-space kits, and interactive AI solutions. The supplier reports five production lines, annual capacities of 10,000 AI Interactive Demonstration Solutions and 8,000 STEM Robot Kits, and off-peak lead times within 15 working days. It exports domestically and to Europe, with exports representing 41%–50% of sales and self-operated import/export rights. SGS conducted an audit with a report validity period from May 28, 2025 to May 27, 2026, but the recorded audit result is not interpretable from the provided value. The company states that it provides OEM/ODM and multilingual customization, supported by 11 years of R&D engineer experience and 6–10 quality-control staff. No management-system certification is listed, while after-sales, financial credibility, customer cases, and several operational controls remain insufficiently evidenced.

Supplier typeThe supplier is identified as a factory and a limited company located in Nanshan District, Shenzhen, Guangdong, China. Its registered business information and company descriptions support classification as a manufacturing-oriented supplier rather than only a trading entity.

R&D capabilityThe company describes itself as an R&D-focused high-tech enterprise working in STEAM education, artificial intelligence, and interactive technology, with a complete product-development process and 11 years of R&D engineer experience. However, specific new-product, SDK, or other innovation capability fields remain unknown, so the evidence supports an innovation orientation but not a complete capability assessment.

Production capacityThe supplier reports five production lines, annual capacity of 10,000 AI Interactive Demonstration Solutions and 8,000 STEM Robot Kits, and a stated off-peak lead time within 15 working days. Its described process covers development, design, procurement, SMT mounting, welding, testing, packaging, and delivery, providing explicit evidence of established production capability.

Customization capabilityThe supplier explicitly states that it provides OEM/ODM services and supports multi-language content customization. Although the dedicated ODM and OEM capability fields are marked unknown, the company description directly supports the availability of customization services.

Product Q&A

Q:Why does the robot have no response when turned on?

Check if batteries are low, installed with correct polarity, or if there is incorrect wiring on the battery holder or motor.

Q:How to fix the robot moving backwards when commanded to move forward?

The motor wiring is likely connected in reverse. Please reconnect the motor wires to correct the polarity.

Q:How to program the robot or restore factory settings?

Download WeeeCode software, connect via USB, and select the main-board type. Use the 'Restore Firmware' menu for Online, Factory, or Mobile firmware options.

Q:Why can't I connect the robot to the computer via USB or wireless?

Your computer may lack the mainboard driver. Install the driver via the WeeeCode software 'Help' menu, restart the robot, and reconnect.

Q:Why doesn't the robot move when powered by USB?

USB power only supports the chip and sensors. To drive motors or servos, you must connect batteries and switch on the power button.