EQ telescope mount II. for OnStep goto controller

prusaprinters

<p><strong>NOTICE:</strong> <a href="https://www.thingiverse.com/thing:3327081">The new version now released!</a></p> <p>EQ mount II for small telescope or DSLR, desing for OnStep goto controller.</p> <p>How to make? See my video: <a href="https://youtu.be/Dmi01grPYCI">https://youtu.be/Dmi01grPYCI</a></p> <p>FreeCAD sources on <a href="https://github.com/romanhujer/Small-EQ-mount-OnStep/blob/master/eq-mount-V1.2.FCStd">Github</a></p> <p>EQ mount used 2x <a href="https://www.thingiverse.com/thing:2586962">My Planetary geerbox 1024:1</a></p> <p>More info about OnStep goto controller on <a href="http://www.stellarjourney.com/index.php?r=site/equipment_onstep">Howard Dutton project</a> or <a href="https://groups.io/g/onstep">OnStep News</a></p> <p><a href="https://www.thingiverse.com/thing:2748375">My OnStep Controller Box</a> for on Arduino Mega2560 board.</p> <h5>OnStep config.XXX.h</h5> <p>// Axis1 is for RA/Az #define StepsPerDegreeAxis1 12288.0 // calculated as : stepper_steps* micro_steps* gear_reduction1* (gear_reduction2/360) // NEMA17 + PLANET : 200* 16* 27/20 * 1024/360 = 12288.0 // Axis2 is for Dec/Alt #define StepsPerDegreeAxis2 12288.0 // calculated as : stepper_steps* micro_steps* gear_reduction1* (gear_reduction2/360) // NEMA17 + PLANET : 200* 16 * 27/20* 1024/360 = 12288.0 // PEC, number of steps for a complete worm rotation (in RA), StepsPerDegreeAxis1<em>360)/gear_reduction2. Ignored on Alt/Azm mounts. #define StepsPerWormRotationAxis1 4320L // NEMA17 + PLANET : (12288</em>360)/1024 = 4320</p> <h5>Another recommended link:</h5> <ul> <li><a href="https://www.thingiverse.com/thing:2626117">My OnStep ST4 Handheld controller</a></li> <li><a href="https://www.thingiverse.com/thing:2610531">My DIY Telescope</a></li> <li><a href="https://www.thingiverse.com/thing:2670699">Wood tripod upgrade for telescope with Eyepiece plate</a></li> <li><a href="https://www.thingiverse.com/thing:2670699">My OnStep for Seben EQ3 mount</a></li> </ul> <h5>NOTE:</h5> <p>Use stones and cement to fill the weights.</p> Category: DIY