
Product Description
Hiwonder Tankbot is a full-stack, ESP32-driven AI robot custom-built for embedded development and large AI model deployment. It pairs a suspension tank chassis with a 6DOF robotic arm, utilizing in-house inverse kinematics to execute precise gripping tasks from simple coordinate inputs.
Featuring built-in Bluetooth 5.0, an RGB ultrasonic sensor, and an 8-ch line follower sensor, the robot seamlessly handles app control, distance tracking, dynamic obstacle avoidance, complex line following, and intersection recognition. This versatile setup empowers even beginners to quickly master core skills like sensor fusion and closed-loop motor control.
The Tankbot Ultimate Kit further integrates a large AI model module, a 2MP HD camera, a microphone, and a speaker. Deeply integrated with the Xiaozhi AI platform across text, voice, and vision engines, it enables fluent, natural conversation, responsive control, and deep contextual understanding of surrounding objects—delivering a truly thinking, next-generation AI robot.

Advanced Mechanical Structure
Tankbot combines a torsion spring suspension tank chassis, an open-source servo controller, and 20KG serial bus servos with feedback to deliver a powerful, smooth operation.
Rich Sensor Interaction
Equipped with an ESP32 controller, an RGB ultrasonic sensor, and an 8-ch line follower sensor, Tankbot seamlessly handles distance measuring, obstacle avoidance, and complex, intelligent line following.

Xtensa® 32-bit LX7 Dual-Core Processor Architecture
Equipped with the Xtensa® 32-bit LX7 dual-core processor architecture, it smoothly handles complex AI applications and multitasking.
ESP32-S3 High-Performance Chip
The ESP32-S3 is a high-performance, low-power dual-mode chip with a processing power of 600 DMIPS, ideal for DIY development.
2MP HD Camera
Equipped with a 1080P @ 60fps digital HD camera, it offers high image clarity and color accuracy, significantly enhancing the precision and stability of visual recognition.
High-Fidelity Speaker
Integrated with a high-fidelity speaker unit, it delivers rich and clear sound quality, supporting voice broadcasting, notifications, and other functions, providing realistic and vibrant audio feedback.

Tank chassis differential speed operation
The tank chassis is composed of high-quality anti-slip tracks, high-precision encoder motors, and a multi-wheel drive system, enabling Tankbot to achieve precise forward movement and turning in any direction.
Multimodal Large Model Deployment
Tankbot integrates multimodal large models, empowering it with cross-modal perception and comprehension to flexibly switch and combine text, voice, and vision workflows.
Smart Chat
Leveraging large language models, Tankbot can understand and respond to each command in real-time, providing highly natural speech output.
Voice Control
Tankbot utilizes the semantic understanding technology of speech AI models to accurately interpret voice commands and execute corresponding actions instantly.
Emotion Perception
MechDog AI uses the large language model to sensitively detect changes in tone and emotion in voice commands and respond with a friendly and reassuring reply.
Image Analysis
MechDog AI leverages the visual AI model to deeply analyze images, extract object features, and accurately match them with the database, enabling similar object recognition.
Embodied AI Creative Applications
Tankbot bridges high-performance hardware and multi-dimensional sensors to map and interpret its surroundings. Driven by multimodal large models, it blends scene understanding, task planning, and agile execution into a fluid, responsive human-robot experience.
Distance Tracking & Voice Broadcasting
Tankbot pulls real-time data from its RGB ultrasonic sensor, leveraging the AI model to analyze and audibly broadcast the distance.
Obstacle Avoidance
With multi-sensor fusion, Tankbot spots and bypasses obstacles in real time, navigating complex environments safely.
Intelligent Transport
The LLM instantly decodes voice commands, directing the high-precision robotic arm to grasp, move, and sort objects autonomously.
Autonomous Driving
Tankbot tracks lines via an 8-ch line follower sensor, using vision recognition to detect road signs upon reaching designated intersections for autonomous driving.










Omnidirectional Detection

App Control
Enables rapid out-of-the-box deployment with an intuitive UI for flexible parameter configuration.
PC Code Control
Implements advanced path planning and creative features by executing custom function code.
Wireless Controller Control
Manages system presets like forward, backward, and directional turns via a PS2 wireless controller.

Hardware Specifications







Wrapped Rear Tail Shell
It can effectively protect the PCB circuit and magnetic ring at the end of the motor from external influences, effectively improving the safety and service life of the motor.
Permanent Magnet Brushed Motor
The permanent magnet DC motor has fast starting response speed, large starting torque and smooth speed change.
High-precision Magnetic Encoder
The motor is equipped with a high-precision magnetic encoder, has strong horsepower, high precision, and strong anti-interference ability.
Durable Metal Gear
The motor incorporates a full metal gear and metal output shaft, reducing power consumption and extending the motor's service life.
Hall Encoder Geared Motor
The Hall speed measurement code disc is a speed measurement module that utilizes Hall sensor encoders. Equipped with a strong magnetic disc, it generates AB phase output pulse signals, enabling the detection of motor rotation direction and speed.
7.4V 2200mAh 10C LiPo Battery
The LiPo battery features high-quality 18650 cells and a built-in protection board that safeguards against damage from overcharging, overcurrent, overdischarge, and short circuits. It provides a long service life, with over 300 charge cycles.

Specification Parameters
