Hiwonder LeArm 6-DOF Robotic Arm Kit
Open-source 6-servo arm with claw, PC/app control and tutorials — the classic "first serious arm" for makers.
Best for: Your first programmable 6-DOF arm
Robotic Arm Kits
Hiwonder xArm ESP32 Robotic Arm (MicroPython)
by Hiwonder
★ Best for: Learning closed-loop control and MicroPython on a real arm
An open-source ESP32 arm with feedback-capable bus servos, programmable in MicroPython.
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Why we recommend it
The xArm ESP32 swaps the usual hobby servos for intelligent serial bus servos that report their position back — the same idea covered in our encoders guide, built in. That feedback is what makes record-and-replay and closed-loop experiments practical. The ESP32 controller is programmable in MicroPython and the listing describes it as open source for secondary development, with sensors included; it also supports app, mouse, handle and wireless-glove control. The listing quotes a 25 kg base servo and grabs of more than 500 g.
At a glance
| Controller | ESP32 (MicroPython) |
|---|---|
| Servos | Serial bus servos with feedback |
| Base servo | 25 kg (per listing) |
| Control | App, mouse, handle, wireless glove |
Hiwonder xArm ESP32 Robotic Arm (MicroPython)
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Guides that use this
Parts & hardware
Best Robotic Arm Kits (2026): 12 Kits Compared for Adults, Students & Beginners
12 robotic arm kits compared — DOF, controller, servos and who each suits — from kids' STEM kits to ROS2 and Jetson arms, plus how to choose one by budget and goal.
Builds by platformESP32 Robotic Arm: Wi-Fi Servo Control (Wiring + Code Plan)
Build an ESP32 robotic arm with wireless control. Why the ESP32 suits robot arms, how to wire it to a PCA9685 and servos, power tips, and a web/BLE control plan.
Parts & hardwareRobotic Arm Encoders: Position Feedback Explained
How encoders give a robotic arm position feedback — rotary vs absolute encoders, potentiometers as a budget option, wiring to Arduino, and when an arm actually needs feedback.
Code & electronicsControl a Robotic Arm with Python: Serial, RPi & ROS
How to control a robotic arm with Python — sending commands over serial from a laptop, running servos directly on a Raspberry Pi, and an intro to ROS for more complex control.
Compare with
Seeed Studio SO-ARM101 6-DOF AI Robotic Arm
Low-cost open-source LeRobot arm for AI / imitation-learning projects — compatible with NVIDIA Jetson.
Best for: AI & machine-learning builds
VANLINNY 4-DOF STEM Robotic Arm Kit
Screwdriver-only educational arm for ages 8+ — a gentle, low-cost intro to how arms move.
Best for: Kids & first-time builders
Hiwonder xArm ESP32 Robotic Arm (MicroPython)
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