HD Robotics Electronics

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Project

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<p>This print profile is optimized for a clean and precise fit of the digital gravity hourglass enclosure. The model has been tested and tuned on a Bambu Lab A1 and provides reliable results when printed with the recommended settings below.</p><h3>🧵 Recommended Material</h3><p>PETG is strongly recommended for durability, heat resistance, and long-term stability of the enclosure. PLA can also be used if PETG is not available, but may be less resistant over time, especially near electronic components.</p><h3>⚙️ Print Settings</h3><ul><li>Layer height: 0.12 mm (for best detail and smooth surface finish)</li><li>Supports: Not required</li><li>Infill: Standard 15–25% is sufficient</li><li>Wall loops: 2–3 recommended for strength</li><li>Print orientation: As provided in the model files</li></ul><p>These settings were tested and optimized for the Bambu Lab A1. Results may vary depending on your printer, so minor adjustments might be necessary.</p><h3>🎨 Dual Color Design</h3><p>The LED matrix area is intentionally designed in black to improve LED visibility and contrast. This ensures that the light output from the WS2812B matrices appears sharp and well-defined without unwanted light bleeding.</p><p>The front housing is designed in white, creating a strong visual contrast. This is a <strong>two-color design</strong>, and it is important for the final look of the project. The LED light blends with the geometry, enhancing the “digital sand / gravity” effect.</p><h3>⚠️ Important Notes</h3><ul><li>Make sure your printer is properly calibrated before printing</li><li>Tolerances are designed for standard FDM printers</li><li>Adjust settings if needed for your specific machine</li><li>Cable routing and electronic fit have been considered in the design</li></ul><h3>🧪 Testing</h3><p>This model has been successfully tested on a Bambu Lab A1 and shown in the project video. However, every printer behaves differently, so slight tuning may be required for perfect results.</p><p>No support is needed for this model.</p>

0.12mm layer, 2 walls, 15% infill

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<p>This is a custom 3D-printed enclosure for a digital gravity hourglass project based on the ESP8266 (NodeMCU) and MPU6050 sensor with 2x WS2812B 8x8 LED matrices.</p><p>The enclosure is designed to fit all components precisely, including the OLED display, push buttons, buzzer, PCB, and 18650 battery. All parts snap or screw into place for a stable and clean assembly.</p><h3>⚙️ How it works</h3><p>The system uses the MPU6050 gyroscope and accelerometer to detect orientation and movement. The LED matrices simulate a digital sand/gravity effect based on sensor data, creating an interactive “falling particles” display.</p><h3>🛠️ Assembly Instructions</h3><ol><li>Install all electronic components into the designed slots</li><li>Connect the LED matrices (OUT → IN)</li><li>Connect all GND pins together</li><li>Insert OLED, buttons, buzzer, and battery</li><li>Ensure correct orientation of MPU6050 and OLED</li><li>Close the enclosure using M3 screws</li><li>Upload the firmware and test the system</li></ol><p>⚠️ Make sure cable lengths are sufficient before final assembly.</p><h3>📦 Recommended Electronics</h3><ul><li>ESP8266 NodeMCU (with 18650 battery support)</li><li>MPU6050 sensor</li><li>2x WS2812B 8x8 LED matrix</li><li>0.91&#34; OLED display</li><li>18650 battery</li><li>2x push buttons</li><li>buzzer</li><li>JST-XH connectors &amp; jumper wires</li></ul><h3>🔗 Links</h3><p>👉 Full project guide, code &amp; instructions: <a target="_blank" rel="noopener noreferrer ugc" href="https://hdrobotics.de/portfolio/5964/">HD Robotics Elektronics</a><br>👉 Build video tutorial:</p><figure class="media"><oembed url="https://youtu.be/Iuvt9v2UAYI"></oembed></figure><p><br>👉 Hardware shop: <a target="_blank" rel="noopener noreferrer ugc" href="https://hdrobotics.de/">HD Robotics Shop </a><br><br> </p><boostme><boosttitle>Boost Me</boosttitle><boostcontent>Supprt the Creator!</boostcontent></boostme>

Digital Gravity Hourglass Case ESP8266

ASIA

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