- CNC USB CONTROLLER CONTROL ROLE FIYAT HOW TO
- CNC USB CONTROLLER CONTROL ROLE FIYAT SERIAL
- CNC USB CONTROLLER CONTROL ROLE FIYAT DRIVERS
- CNC USB CONTROLLER CONTROL ROLE FIYAT UPDATE
- CNC USB CONTROLLER CONTROL ROLE FIYAT MANUAL
So I decided it was time to let the TinyG go.Īt work we use a X-Carve which runs on GRBL.
CNC USB CONTROLLER CONTROL ROLE FIYAT UPDATE
I looked on Synthetos's github for an update for the TinyG v8, but there hasn't been one for 4 years! Seems they only work on the TinyG G2 these days. The TinyG somehow changed its G54 during a big job, and ruined the work. Recently I started working on my Nixie Clock project again and I needed to mill a wooden enclosure.
CNC USB CONTROLLER CONTROL ROLE FIYAT MANUAL
So I never got round to getting software speed control working, just didn't need it and couldn't be bothered, manual control works fine for what I do.
CNC USB CONTROLLER CONTROL ROLE FIYAT DRIVERS
The Enable on the stepper drivers are permanently on. The Stepper Enable signal from the DB25 Connector does nothing due to a missing resistor on the LED side of the optocoupler. The image below is the PWM in circuit on the Spindle Controller.Īlso a side note. If you're curious, the ISO +5V is a isolated 5V generated on the stepper controller by this unmarked black box:įour pins on the Stepper Controller connector labeled PWM-OUT go to another four pins on the Spindle Controller connector labeled PWM: Signal into Stepper Controller (JP-382A) via DB25 and circuit pre four pin connector: I've got PWM to work through Pin 17 of the parallel port, but mind you, the signal from GRBL needs to be inverted first, otherwise for example g-codes S1 would be flat-out and S11000 off.
If the TM1638 is used, more buttons might be available. Data in the image below is reversed, should have been LSB. From what I've decoded on my oscilloscope, the display says which mode you are in, current state of the spindle (on/off) and the spindle set speed represented as a percentage.
CNC USB CONTROLLER CONTROL ROLE FIYAT SERIAL
P3.6, P5.4 and P5.5 are serial pins that go to a seven segment driver IC, looks to be TM1638. P3.6 is CLK, P5.4 is DIO and P5.5 is STB. To control the speed in +/- buttons mode, P3.0 is + and P3.2 is. Now enable the spindle and control the speed. P3.0 is dial, P3.1 is PWM and P3.2 is +/- buttons mode. To enter into a mode connect momentarily either P3.0/P3.1/P3.2 to GND while spindle enable is off.
CNC USB CONTROLLER CONTROL ROLE FIYAT HOW TO
So I've worked out how to enable PWM on this controller and in the process discovered more features.įrom what I can tell, there are three modes of speed control, trimpot/dial, +/- push buttons and PWM mode. Visit the project logs to see what I've done. I have spindle ON/OFF and PWM control working in software. I changed it to Normally Closed and in series for better noise immunity, and fault detection. The limit switches were Normally Open and setup in parallel. I highly recommend it for GRBL/Marlin/Smoothie/TinyG.Īnother thing I upgraded on this machine was the existing limit switch wiring. The G-Code sender I currently use is called CNCjs. ESP32 GRBL is cool because it can run jobs off an SD card and be controlled over wifi. Plus this makes things easier if you decide to change controllers in the future. It's possible to avoid all the controller box modifications I've made if you keep the original stepper controller and connect an arduino running GRBL to the parallel port (see my GRBL to Parallel Port project). I use a X-Carve at work running GRBL which I've never had issues with, therefore I'll for now stick to GRBL.
It seems Synthetos has stopped supporting it's TinyG v8 users in favor of the TinyG G2. Real-time Work Position (G54) at some point stops being updated/displays zeros (same issue regardless of g-code sender). This has resulted in several failed jobs! Also I've had bugs from day 1 that still haven't been fixed (4 years on!) e.g. Randomly a axis will corrupt it's saved G54 origin during a job. Years pass and I found my TinyG v8 board to be very unreliable. Who still has one?Īs you can see in the project logs, I swapped out the origional controller for a TinyG v8, which has USB and could be used with many different G-Code senders. These Chinese CNC machines on ebay are good quality and cheap, but require that your computer has a parallel port. The "Z-DQ" model uses NEMA23 stepper motors, ball screws, and has a 230W DC spindle motor. The "3040" in the model 3040Z-DQ means the working platform is 30cm by 40cm, in reality you can use about 27x37cm.
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