Arduino powered sawmill via NEMA34 stepper motor // E123
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Our custom harbor freight sawmill
Our custom harbor freight sawmill just got a major upgrade after we program an Arduino Uno to communicate with a NEMA34 stepper motor for precise and consistent sawmill blade placement. We start out with the electric and add a space for a 24V power supply on the wall of the solar kiln. It is then fed through a cord reel that we customize to manage with wire to the sawmill. We also 3D-print a custom control box to house a number of switches that we use to send commands to the Arduino. We then build a bracket to support the 11-pound stepper motor to the end of the lead screw (where the normal crank would be). We finish up by connecting all the pieces and components together and showing the backend code and wiring diagram that makes it all work. This project is OPEN SOURCE and is 100% original source code written by me. Copy mine to build your own or use what we did here for something better. Supporting documents are listed below.
Wiring diagram: https://drive.google.com/file/d/1FIbQ...
Arduino source code: https://drive.google.com/file/d/1ccGJ...
Binary cheat sheet: https://drive.google.com/file/d/1uZLH...
Related episodes
E21: Ball nut and lead screw on Harbor Freight Sawmill: E21 - When your Harbor Freight sawmil...
E50: Gas struts to support the Harbor Freight Sawmill: E50 - Fixing our Harbor Freight Sawmi...
Episode 123
0:00 - Why
10:43 - Using a cord reel as a drag-chain
21:20 - Power supply in weatherproof box
36:53 - Mount stepper motor on sawmill
43:38 - Electronics control box
51:42 - Electrical components and wiring
1:04:45 - Connecting it all together
1:07:32 - Testing it out
1:18:13 - Wiring diagram
1:22:56 - Arduino source code
1:36:30 - Conclusion
1:37:11 - Outtakes
Wiring diagram: https://drive.google.com/file/d/1FIbQ...
Arduino source code: https://drive.google.com/file/d/1ccGJ...
Binary cheat sheet: https://drive.google.com/file/d/1uZLH...
Related episodes
E21: Ball nut and lead screw on Harbor Freight Sawmill: E21 - When your Harbor Freight sawmil...
E50: Gas struts to support the Harbor Freight Sawmill: E50 - Fixing our Harbor Freight Sawmi...
Episode 123
0:00 - Why
10:43 - Using a cord reel as a drag-chain
21:20 - Power supply in weatherproof box
36:53 - Mount stepper motor on sawmill
43:38 - Electronics control box
51:42 - Electrical components and wiring
1:04:45 - Connecting it all together
1:07:32 - Testing it out
1:18:13 - Wiring diagram
1:22:56 - Arduino source code
1:36:30 - Conclusion
1:37:11 - Outtakes
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