Description
The ESP32 4-DOF Robot Arm introduces students to the concepts behind industrial automation — coordinate systems, repeatable motion paths and safe operating limits — at a scale that fits on a classroom desk.
Key features
- Three control modes physical joystick, web page, or WiFi app
- Memory function record a sequence of movements and replay it
- 3-axis space coordinate control for precise positioning
- Limit protection to prevent the arm driving past its safe range
- Motion buffering for smooth, controlled movement
- Non-slip sleeve and base pad for stability during operation
- Printable coordinate map (PDF) included with the tutorial
Learning resources
Programming: ACE Code, Arduino
Tutorial languages: English, Chinese, Spanish, Czech, Portuguese
Please note
This kit ships without batteries. It requires 2 × 18650 button-top cells, available separately.
Specifications
| Specification | Detail |
|---|---|
| SKU | QD022 |
| Controller | ESP32 (WiFi) |
| Degrees of freedom | 4 |
| Control modes | Physical joystick, web page, WiFi app |
| Memory | Records and replays movement sequences |
| Positioning | 3-axis space coordinate control, printable coordinate map (PDF) |
| Safety | Limit protection and motion buffering |
| Programming | ACE Code, Arduino |
| Tutorial languages | English, Chinese, Spanish, Czech, Portuguese |
| Shipping weight | 704 g |
| Battery | Not included — requires 2 × 18650 button-top |
Frequently Asked Questions
What does the memory function actually do?
You can move the arm through a sequence of positions, record it, and have the arm replay that sequence — the same teach-and-repeat principle industrial robot arms use.
Is it safe for students to operate?
The arm has limit protection so it cannot be driven past its safe range, and motion buffering to keep movement smooth rather than jerky. A non-slip sleeve and base pad keep it stable on a desk.
How is it controlled?
Three ways: the physical joystick, a web page, or the WiFi app. Coordinates can also be set directly in 3-axis space.
What do I need to supply?
Two 18650 button-top cells, which are not included in this version.
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