2 8mm steel rods 340mm long or sized to your leadscrew.Brass nut for lead screw - plain or spring loaded anti-backlash.If lead screw not integrated, use coupler to join stepper to leadscrew NEMA 17 stepper motor with 300mm T8 leadscrew shown or your length preference.3D printed pieces using supplied STL files- motor end, far end, and sled.Cut off and discard the handheld push button unit and retain the cable and connector specific for your camera. Manual camera shutter control cable that works with your type of camera- find on ebay or Amazon for a couple bucks. Cable to connect the stepper to the RAMPS header.I used the cables that came with the limit switches in the RAMPS kit, extending them as described below. Wires or cable to connect limit switches to RAMPS header.Jumper wires or wires/pins/connector pin housings to make the connection between the keypad and RAMPS headers.Wall wart supply delivering nominal 9VDC for AC operation.6-cell AA battery pack with NiMH rechargeable batteries for battery powered operation.2 reed relays- 10ma coil, built in snubber diodes.repRap style limit switches and associated cables. ![]() header jumpers for configuring stepper driver.If buying, pick one with an onboard potentiometer for backlight level control. Full Graphics Smart Controller LCD display with connector board and ribbon cables.1 stepper driver (the kits usually come with at least 4).The following parts are sold together very inexpensively as a "3D printer kit" or "RAMPS kit" but you may purchase them individually or scavenge them from an unused 3D printer. I take no responsibility for this code or design if anyone messes up their camera or anything else. For the rail itself, instead of starting with a commercial Velbon rail as in the original project, I designed a simple 3D printer based rail which I also document here. I provide that software here with instructions for putting the stacker controller together that it runs on. I ported his software to run on a 3D printer control platform consisting of an Arduino mega, a RAMPS 1.4 shield, and a full graphics smart controller LCD panel with associated cables. It is mature and full featured and I wanted to make it easier to build a system that uses it. The software of Pulsar124's project is very nice. The forums showed others having issues with the LCD as well. ![]() There was a good deal of soldering involved and the old stock LCD was very problematic. I built a controller around Pulsar124's design using an Arduino, keypad, stepper driver, and a Nokia 5110 LCD display. I recently completed a version of this build myself as I document in a comment on his wiki. Many people have built his project and as he notes on his wiki, his project has been widely discussed in relevant forums. Sergey Mashchenko (Pulsar124) has done a great job of developing and documenting a DIY Arduino based focus stacking rail as described on his wiki ( ).
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