-
Archives
- January 2018
- October 2017
- September 2017
- August 2017
- July 2017
- May 2017
- January 2017
- April 2014
- December 2013
- November 2013
- May 2013
- April 2013
- March 2013
- February 2013
- January 2013
- December 2012
- November 2012
- September 2012
- August 2012
- July 2012
- June 2012
- May 2012
- April 2012
- March 2012
- February 2012
- December 2011
- November 2011
- October 2011
- September 2011
- August 2011
- May 2011
- March 2011
- February 2011
- November 2010
- September 2010
- August 2010
- July 2010
- June 2010
- March 2010
- February 2010
- January 2010
- December 2009
- November 2009
- February 2009
- October 2008
- September 2008
- August 2008
- July 2008
-
Meta
Category Archives: Computers
CNC – Hello, G-Code.
The scripting language that CNC machines use is called G Code. There are lots of commands, said Google. But the first few are about moving the machine. G0 – rapid move (linear) G1 – controlled speed move (pass Feedrate in … Continue reading
Posted in Computers, Knowledge, Making, Science, Technology, Woodworking
Tagged CAM, CNC, Mathematics, Woodworking
1 Comment
CNC Build – Back in the game!
I decided that I was going to figure out the sensor cable today, once and for all, one way or the other. And, spoiler alert, I did. I cut the zip ties and looked at the way the port is … Continue reading
Posted in Computers, Electronics, Knowledge, Making, Technology, Woodworking
Tagged CNC, Super-PID
Leave a comment
CNC Build – Stupid cables
Connecting the new sensor cable is tough — it’s a “real” RS232 cable, so the female end has two protruding female studs, so that two cables can be bolted together. This totally doesn’t work with the way I attached the … Continue reading
Posted in Computers, Electronics, Knowledge, Making, Technology, Woodworking
Tagged CNC
Leave a comment
CNC Build – Courage is the first virtue
Well, as per normal in the way my life and hobbies go, it took two months to get back to the CNC once I’d determined that the cables fit properly. I decided that I was going to push forward today, … Continue reading
Raspberry Pi fails me again
I know I’m in the minority when I say this, but I absolutely *hate* Raspberry Pi. The thing is useless. I have tried to like RPi — everyone I speak with raves about them. But for me, the board falls … Continue reading
Julia Set, a fractal
c = -0.79 + 0.15i generated with a Python script (150 lines)
Unplugged
I tested out the power and internet in our camper. I’m using the same deep cycle battery and inverter setup that I’ve used before to drive the observatory, and the 4G WiFi “puck” to pluck internet from a cellular signal. … Continue reading
Posted in Computers
Leave a comment
Ray Tracer : in the weeds
I’ve spent the past week fighting minor math errors in my ray tracer. In order to confirm that my surface normals were being calculated correctly, I added boxes (axis aligned only at this point) as an additional primitive type. That … Continue reading
Posted in Computers, Knowledge, Making, Science
Tagged Mathematics, Programming, Python, Vector
Leave a comment
iOS Development Workflow
I just had my yearly stress-out about my app expiring. Apple warns you for about a month before the thing expires, and of course I wait until the last minute every time. Here’s the workflow that worked, first try, once … Continue reading
NAS is the new Plex
In my continuing battle against the $70/mo “cable” bill (I have satellite TV, but same guts), I have been pushing both hardware and software at the problem. So far, I’ve tried: Here’s a short history of recent events. In November, … Continue reading