Big Dog feeder with Nema 17 , arduino, stepper, servo, driver, rtc, pvc

Big Dog feeder with Nema 17 , arduino, stepper, servo, driver, rtc, pvc

cults3d

This is my open project of big dog feeding system. Parts involved : 1x PVC T joint element with 48mm inside diameter & 66mm outside diameter. 1x Nema 17 stepper motor. 1x Arduino Uno board 1x RTC time like DS3231, but can use as well DS1307 or others, to keep accurate timing for years to come :), and avoid Arduino rollover of variables for time 1x Stepper Driver. I used UI robot driver model : UIM24002 .. but you can use any other type as long as it is at least 1.6A for the most common Nema17 motor. 1x 3d printed Augere that is attached here, to fit inside the Pvc T joint. 1x 3d printed Pcv lid and Nema 17 motor support. 1x M4 nut & bolt 3x small fixation screw like M3's to fix the holder of motor on the pvc pipe The program to feed the dog at 3 time intervals is placed in the attached zip. Movies can be seen as well here : https://www.youtube.com/watch?v=hEsPlHfDCFUhttps://www.youtube.com/watch?v=5a9XasnpnV4 If inventor drawings are required please request them.. trough messages.. and as well drawings of the complete enclosure.. This is still in work. Currently I'm attaching a servo to steer the food before moving it out as otherwise it would block.. and it really works as you can see in the last clip movie.

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