GitHub - rollingdice/StepperExpander: Visual clone of RAMPS Stepper Expander from RepRap wiki. I made the x2 version. I will make the rest of them (x1 and x3) version when I need it.
Adding more extruders - RepRap
Stepper Expander - RepRap
Steppers not moving in any direction on Ramps 1.4 (Page 1) — Help/Repair/Maintenance — SoliForum - 3D Printing Community
Luckychild] 3D Printer Motherboard For TriGorilla Mainboard Compatible Mega2560 RAMPS1.4 4 Layers PCB Controller Board for RepRap - buy [Luckychild] 3D Printer Motherboard For TriGorilla Mainboard Compatible Mega2560 RAMPS1.4 4 Layers PCB
Adding more extruders - RepRap
Adding more extruders - RepRap
Stepper Expander - RepRap
Stepper Expander - RepRap
Ramps 1.4 with 6 stepper motors - Project Guidance - Arduino Forum
FA16
Using a Single-Axis TB6560 Stepper Driver With GRBL/RAMPS : 6 Steps - Instructables
Stepper Expander - RepRap
Ramps 1.4 with 6 stepper motors - Project Guidance - Arduino Forum
Stepper Expander - RepRap
Ramps Stepper Expander by wingnut2k - Thingiverse
Ramps 1.4 with 6 stepper motors - Project Guidance - Arduino Forum
Nema 23 Stepper Breakout Board Adaptor 3d Printer Motor Expander Current Amplifier For Tb6600 Tmc2160 Stepper Driver 2pcs Mks Cd - 3d Printer Parts & Accessories - AliExpress
Adding more extruders - RepRap
IO Expander Breakout– The Pi Hut
One Stepper Driver PCB board from JasonKits on Tindie