WSAL16252 – Robot Arm for Pi/en

Documentation notice: This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.

Summary

The kit is a 4-axis robot arm based on the Servo Driver HAT, driven by a Raspberry Pi. It can be controlled remotely via Bluetooth or WiFi.

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Technical overview

Four degrees of freedom (4-DOF) via servo motors
Connects to the Raspberry Pi through the Servo Driver HAT
Remote control possible via Bluetooth or WiFi
Included resources: assembly guide, schematic, and demo code
Software: QT application for PC and an Android app; app source code available
DC power regulation via MP1584 regulator, communication via PCA96 driver
RT9193 charging controller integrated in the system

Notes and version constraints

Precise angle control not supported – the device is designed as an entry-level model
No exact command-line commands are specified in the source
Assembly and calibration require human verification
Version-specific steps and firmware details are undocumented
Compatibility with specific Raspberry Pi models must be verified separately

Source and revision record

Robot Arm for Pi - Waveshare Wiki
Source revision: 69310
Captured: 2026-08-31T03:23:14+00:00
SHA-256: 193beb1ac3d287860bd948e3c05d49a439b137d04b9b2a8b382a0c5d293db051