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My version of 'myFocuserPro2'
This is my focuser for Sigma 400mm telephoto lens I'm trying to use for EAA with an RT IMX224 based CMOS camera and Astro imaging with a Nikon D80 DSLR. It is based on Robert Brown's myFocuserPro2 project. The MCU is an Arduino Nano that control a small bipolar stepper motor via A4988 driver. The board is connected to the laptop with an HC-06 bluetooth module and powered by 9V battery so the focuser is very compact and portable.
If anybody's interested I can send the Fritzing or svg file of my board layout. Feel free to write me an email.
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