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  • rodw
  • rodw's Avatar
07 Mar 2025 21:00
Replied by rodw on topic Hurricane Milton

Hurricane Milton

Category: Off Topic and Test Posts

What a fizzer. after days of talking it up, sending us home, cancelling freight services and public transport, Alfred headed north away from us and degenerated into a tropical low in the last hour or so.

Youtube seems to enforce a 12 hour streaming limit so I had to change the URL a few times when it timed out.  Then I found a weather setting so its still up!
www.youtube.com/live/KwGRpF-Cvp8?si=mQuM5AUsBVTC3fVe

Notes on the tech:
My Reolink doorbell camera is managed by a Synology NAS with a bunch of other cameras (10 all up). Synology Surveilance Station allows you to stream to YouTube so it was an interesting learning curve if nothing else. The Reolink is my only wifi camera because it was impossible to get a network cable to it. Instead, I tucked a 24v power supply under the tiles above the door and used the existing wiring to power the camera. There is a chime unit which plugs into a power point inside. (I still have the horrors when I remember running 24 network cables through a 2 story house 12 years ago). I have a PoE switch in the ceiling space for the cameras mounted in the eaves.

The Synology also connects the cameras to Home Assistant running on a Raspberry Pi 4b powered by a PoE hat. That is another story.

I recently retired my first Synology NAS after about 12 years. I had replaced 2 out of 5 x 3 Tb hotswappable drives in it in the last couple of years. I replaced it with another Synology with 2 x 16 Tb mirrored drives as the number of cameras overpowed the old NAS. Sold the old one for $450 AUD!
  • 109jb
  • 109jb
07 Mar 2025 18:00
Replied by 109jb on topic Lathe spindle index only?

Lathe spindle index only?

Category: Basic Configuration

Thanks again. Initially I plan to do this using a Raspberry Pi using software stepping through GPIO, so I am a bit concerned about the Pi being able to keep up with encoder pulses. If it doesn't work on just the Pi, I will get a 7C81 Mesa board for it, but want to try using just the Pi first.

I don't ever see needing to use the spindle as a dividing head. I have a 4th axis on my mill if I need that, so I think two encoders, one for index and one for pulses would work okay for what I need. We will see.

Looking at your picture, that is almost exactly what I was picturing for the slot sensor mounting. I may try a 3d printed slot wheel. We'll see if it flys apart, but I generally don't run too high speeds and think it will be fine. I'll print it at 100% infill and make an aluminum hub to sanwich behind the pulley.

What brought this about is that the threading nut setup on the lathe broke last time I needed to thread a part and I figured it was time to convert to CNC. I plan to include 2 MPG handwheels mounted on the carriage so that I can mimick a manual machine for times when I just want to do simple turning. I have that worked out on the Pi already. I use a handheld wireless MPG on my mill but am thinking about adding 3 handweels and eliminating the wireless MPG. I've had a few loss of connection issues with it in the past.

This is a long term project so things won't happen too fast. I have access to a friends 13" Clausing lathe if I need one and he is only about 3minutes away. I have another big project I'm working on and this one is a fill in for times when I need a break from that one. Thinking about the basic X-Z conversion, the Z axis looks like a piece of cake, and if that 12mm ballscrew I got fits, the X axis cross slide won't be too bad either.

Thanks again.
  • unknown
  • unknown
06 Mar 2025 01:21 - 06 Mar 2025 01:23

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

Simple Mesa Setup



Thanks to PWC

You definitely do not want DHCP and you do
need to set a static address.

You might try this:
auto eth0
iface eth0 inet static
address 10.10.10.100
netmask 255.255.255.0

DO NOT set a gateway or nameservers
  • Tim1
  • Tim1
05 Mar 2025 22:43

LinuxCNC using Ethercat on Raspberry Pi5 controlling Stepperonline A6 Servo

Category: EtherCAT

I checked that thread and I haven't seen anything to address the Sync manager Watchdog.
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