DNA-Lamp Remix

thingiverse

<h1>DNA Lamp Revival</h1> <p>Video: <a href="https://youtu.be/x-mnY_i9HIg"> My DNA-Lamp</a></p> I came across the design of a DNA-Lamp from <a href="https://www.thingiverse.com/joaoduarte/about">joaoduarte </a> at thingiverse (<a href="https://www.thingiverse.com/thing:2801053">DNA-Lamp</a> ) and was inspired by it. It looked great, so I decided to build one for myself. My wife said the first thing she noticed: "This isn't a real DNA double helix. It's too flat and not double." As I looked at the instructables, I wasn't confident about the power supply and the motor used. I didn't want 230 V inside the bottom case. So I decided to remix it a bit. The result is what you can see here. The idea remains the same as before, but it's a completely new design. <p>As the original idea came from joaoduarte, please send tips and greetings to him.</p> <b>Here are my major changes regarding the original design:</b> <ul> <li>Made the DNA double helix more realistic.</li> <li>To avoid wobbling of the DNA, I fixed it at the top with a bearing.</li> <li>Avoided line voltage in the case by using a plug-in power supply or battery instead.</li> <li>Used a geared 12 V motor to drive the moving part.</li> <li>Added 22 UV-LEDs for illumination (a ring of 8 and another ring of 6 in the top cover, and a third ring of 8 in the bottom).</li> <li>Built my own Arduino-based control electronics PCB.</li> <li>Integrated a PIR sensor to switch the lamp on if motion is detected (useful if the lamp is placed e.g. in a corridor and should not run the whole time).</li> <li>Offered different programs and modes (rotating or not, permanent illumination, PIR mode, pulsing, etc.).</li> <li>Provided two ways of power supply (external plug-in wall power supply or integrated 9 V battery block).</li> </ul> <b>What you need to build it:</b> <ul> <li>BaseLowerPart.stl, BaseUpperPart.stl, and TopCover.stl printed without support.</li> <li>DNA has the support integrated, so choose in Slicer: No support!</li> <li>Platform.stl and TopLedCarrier.stl printed with support.</li> </ul> The video describes some basic assembly. The electronics must be soldered first. The connections are described in the circuit diagrams. The Top LEDs (the PCB) have 3 connectors, which must be soldered with wire-wrap wire along the Plexiglas tube to the circuit pcb in the bottom. Thanks to Joao Duarte for his nice design! <b>Have fun!</b>