H. Stamm-Wilbrandt on Twitter: "The cables are a jumble, but now #Raspberry #Pi controls xy direction #stepper #motors via a #L293D each, and z direction stepper motor via #uln2003 with #Python script.
![Exercise Machine Air Stair Climber Stepper Exercise, Sports Equipment, Exercise & Fitness, Cardio & Fitness Machines on Carousell Exercise Machine Air Stair Climber Stepper Exercise, Sports Equipment, Exercise & Fitness, Cardio & Fitness Machines on Carousell](https://media.karousell.com/media/photos/products/2021/11/27/core_swing_stepper_1637998805_dbcbdfff_progressive_thumbnail.jpg)
Exercise Machine Air Stair Climber Stepper Exercise, Sports Equipment, Exercise & Fitness, Cardio & Fitness Machines on Carousell
![Lego Arduino (28BYJ48 stepper motor) nanometer xy positioning table - Exhibition / Gallery - Arduino Forum Lego Arduino (28BYJ48 stepper motor) nanometer xy positioning table - Exhibition / Gallery - Arduino Forum](https://stamm-wilbrandt.de/en/forum/stepper.coupler.anim.gif)
Lego Arduino (28BYJ48 stepper motor) nanometer xy positioning table - Exhibition / Gallery - Arduino Forum
H. Stamm-Wilbrandt on Twitter: ""Re: #Cheap (50$) #telescope for #camera experiments" #28BYJ48 #stepper #motor as well as 12V/1A/0.17Nm #Nema17 stepper motor do not have enough torque for changing telescope focus: https://t.co/0vNeUXvmI5 https://t.co ...
![Lego Arduino (28BYJ48 stepper motor) nanometer xy positioning table - Exhibition / Gallery - Arduino Forum Lego Arduino (28BYJ48 stepper motor) nanometer xy positioning table - Exhibition / Gallery - Arduino Forum](https://aws1.discourse-cdn.com/arduino/original/4X/7/3/6/7365b6b70996eba826dd061e0fddd3654f9025b9.jpeg)