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[![Build Status](https://travis-ci.org/Nikolay-Kha/PyCNC.svg?branch=master)](https://travis-ci.org/Nikolay-Kha/PyCNC)
![](https://cloud.githubusercontent.com/assets/8740775/26766365/14796b54-4999-11e7-8ca2-9428a45878ab.png)
PyCNC is a free open-source high-performance G-code interpreter and
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# Hardware
Currently, this project supports Raspberry Pi 1-3. Developed and tested with
RPI3. And there is a way to add new boards. See [hal.py](./cnc/hal.py) file.
RPI1.2b. And there is a way to add new boards. See [hal.py](./cnc/hal.py) file.
_Note: Current Raspberry Pi implementation uses the same resources as on board
3.5 mm jack(PWM module), so do not use it. HDMI audio works._
# Config
All configs are stored in [config.py](./cnc/config.py) and contain hardware
properties, limitations and pin names for hardware control.
Raspberry Pi implementation should be connected to A4988, DRV8825 or any other
stepper motor drivers with DIR and STEP pin inputs.
Initially, Raspberry Pi implementation should be connected to A4988, DRV8825 or any other
stepper motor drivers with DIR and STEP pin inputs. For this branch (l293d), Raspberry Pi
implementation should be connected to L293D stepper motor drivers
Default config is created for Raspberry Pi 2-3 and this wiring config:
| Circuit name | RPi pin name | RAMPSv1.4 board pin name | Note |
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[![sample back small](https://user-images.githubusercontent.com/8740775/28233879-db96ea1c-6902-11e7-9298-11150476084b.jpg)](https://user-images.githubusercontent.com/8740775/28233648-d63fa0c4-6900-11e7-8fab-2055e035a6cb.jpg)
[![sample mounted small](https://user-images.githubusercontent.com/8740775/28233811-40777e8e-6902-11e7-8899-5991860d182c.jpg)](https://user-images.githubusercontent.com/8740775/28233652-d65f82ea-6900-11e7-9e80-d8b0c9238f95.jpg)
## l293d Full/Half Stepper motor driver
# Usage
Just clone this repo and run `./pycnc` from repo root. It will start in
interactive terminal mode where gcode commands can be entered manually.