GSO Monorail 1:10 focuser
thingiverse
This is a motor focuser for a GSO Monorail focuser with 1:10 fine focus. It uses the code from https://github.com/fehlfarbe/arduino-motorfocus bom: - 4x M3x20mm DIN912 for mounting to the focuser - 2x M3x10mm DIN912 and 2x M3 locknuts for mounting the stepper motor - 1x stepper motor + board (5V 28BYJ-48 with ULN2003 driver board) - 5V Arduino nano clone (ATmega328P CH340 chip) - 6x female-female 200mm jumper cables The Arduino Pins D3-6 connect to the IN4-1 on the driver board. GND and Vin as well. (D3-IN4, D4-IN3, D5-IN2, D6-IN1) I programmed the Arduino on Linux with the Arduino IDE (Arduino Nano Board with ATmega328p CPU). You need to be in the correct usergroup to access the ttyUSBx port. I uses Indilib to drive the Arduino focuser as it uses the moonlite protocol. Hint: You need to get the motor in before securing the PCB. (maybe a future version will be easier to assemble)
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