Follow focus
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Follow focus |
| DIY follow focus for DSLR camera using microcontroller (Arduino) and stepper motor. A wireless remote is used to control the focus. Software supports to set and store multiple focus points which can be called up later. |
| This system consists of a transmitter and a receiver. The transmitter (the remote control) has as display a LCD (liquid crystal display), push buttons and a potentiometer. For the wireless communication a 433 MHz module is used. The receiver has a motor shield which drives a stepper motor. It supports e.g. a Nema 17 stepper motor or a cheap 28BYJ-48 stepper motor. |