On the North Kohala coast of Hawaii Island, Pololu Valley is a sanctuary cherished by many and rich with history and sacred cultural significance, particularly for residents with ancestral ties to ...

The stock USB-nSTEP focuser [Jerry] used required hard-to-find unipolar steppers, so he modded his USB-nSTEM to accept bipolars with a Pololu A4988 driver. Next up is [Jerry]’s very impressive ...