OmArm Zero ESP32 robotic arm with browser-based web control interface
OmArm Zero ESP32 robotic arm with browser-based web control interface
OmArm Zero ESP32 robotic arm fully assembled, front and side view
All 3D-printed parts for OmArm Zero laid out before assembly
OmArm Zero 3D-printed parts in two-color PLA showing detail
OmArm Zero CAD technical drawing with numbered BOM parts
ESP32 robotic arm fully assembled and ready for wiring
ESP32 robotic arm web control GUI on desktop browser with joint sliders
ESP32 robotic arm web control GUI on mobile phone

OmArm Zero: 6-DOF (5+1 Gripper) ESP32 Robotic Arm – CAD Files, Firmware, Presentation & Build Guide

7,90 €

Complete project package for the OmArm Zero, a 6-DOF (5+1 Gripper) 3D-printed robotic arm with ESP32 web control. Includes all STL files (12 parts), STEP source files, firmware (serial + WiFi), web interface, Fritzing wiring diagrams, video presentation slides, and a printable 70-page PDF build guide.

Digital download, nothing is shipped. No VAT charged (small business, § 19 UStG).
Personal-use license: build and print for yourself; no sharing of the files and no selling of files or printed parts. License details

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Description

What’s included

  • 12 STL files – All 3D-printable parts, print-ready and pre-oriented
  • STEP model – import it into Fusion 360 or FreeCAD to modify the parts
  • Bambu Studio project (3MF) – all parts positioned on the print plates
  • Firmware source code – Arduino sketches for serial control and WiFi web control (ESP32 + PCA9685)
  • Web interface – HTML/CSS/JS single-page app served from ESP32 LittleFS
  • Fritzing wiring diagrams – Complete wiring reference for ESP32, PCA9685, and 6 servos
  • PDF build guide – Printable step-by-step assembly and setup instructions (70 pages)
  • Video presentation PDF – Project overview slides (OmArm Zero Presentation)
  • Bill of Materials (BOM) – Full parts list with quantities, specs, and estimated cost

Specifications

  • 6 degrees of freedom — 5 arm joints + 1 gripper (6 actuated joints)
  • 303 mm maximum reach
  • 100 g nominal payload (150 g max)
  • 3x MG996R (base, shoulder, elbow) + 3x SG90 (forearm rotation, wrist tilt, gripper)
  • ESP32 DevKit + PCA9685 PWM driver
  • WiFi Access Point control via browser (10.10.10.1)
  • USB serial interface for ROS 2 integration
  • Total material cost under $50

Requirements

  • 3D printer (FDM, PLA, 0.2 mm layer height, 0.4 mm nozzle, bed 220 × 220 mm or larger)
  • Soldering iron for basic wiring
  • Arduino IDE 2.x with ESP32 board support

Full build guide available on the OmArm Zero blog post.

Links:

License

Firmware: MIT. Wiring diagrams: CC BY-SA 3.0 (Fritzing part graphics). STL, STEP, build guide and slides: personal, non-commercial use; you may print, build and modify them for your own projects, no redistribution or resale.

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