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Stephen Nolen
69 followers -
Computers / Cars / Techology and More Guy
Computers / Cars / Techology and More Guy

69 followers
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Just FYI it appears the newer, or maybe the US version, of the Sonoff S20 has a different screening on the Rx/Tx pins. They are NOT different and your normal connector should work. Just looks like flipped labels.

Additionally the newer version, 2017-3-28 shown here, has the header holes in a location that would not allow the button to actually work if you used a normal header. My solution is ribbon cable to and externally available female header which makes it easier to update if OTA fails as well.

Just sharing.
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1/15/18
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Hacking a few Sonoff basics for my remixed (From HotTabascoSauce's) wall switch to move off old X10 and onto my own firmware versions. Seems to work so far and at $5-6 a pop affordable. Plus I can use the other GPIO14 pin to do other things like drive WS8211/12 LEDs for status, weather colors, etc. Remixed wall box is here: https://www.thingiverse.com/thing:2703968
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12/11/17
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Believing in Change
I believe in change. I’ve been a change driver my whole life through technology and the deployment and use of it. “Change is the only constant” as they say. The older I get the more I do see the other side too however. Age brings experience and when you see...
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Does Your 3D Printer Tweet? Or Email or Text?
Does Your 3D Printer Tweet? Or Email or Text? Get an email, text or Tweet from your 3D printer lately? No, why not? Well, OK, it’s not REALLY from your printer but it’s still pretty handy to get a notice when that print job is done if you’re not sitting the...
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Cobbled together another Wallace based reprap with my own Z clamps and backbone support and carriage for metal hotend and bed sensor. Calling it Gray Hair from the silver and black parts and the extra grays it gave me at first. Actually it was pretty easy to get lined out and working once past the bad cheap heat bed issues before this cheap bed. About 190x280x220 on the volume.
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Installed the 200x300 heat bed, fixed a pulley / belt alignment issue, added a cheapie LED setup, and installed some mashed up silencer feet on the little Mr. Wallace this weekend. Fun little thing and good prints for the setup to me. Those feet made a huge difference on noise for sure.
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Wishing all my friends from around the world a Merry Christmas!
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Third print on this little Wallace++ 8mm, i.e. Mr. Wallace. I figured go big (i.e. tall) or go home and since I was already home I went big on the third print. Not the prettiest print in the world but it did finish without failure for 165mm.
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First prints on my Wallace++8m - Just calling him "Mr. Wallace" from now on. Not going to complain first 10mm hollow cube print. Z is a little squished at 9.83xx but first layer was pretty flat and I need to double check z calc and nozzle settings. Bridging was ok on top, sure it could be improved but not sure how to myself. I just used the config off my Prusa I2 as the hardware is similar except the lead screws. Yes, I have taped the bed after trying to get the pyramid off. :-)
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12/23/16
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Little upgrade to Y idler with 5/16" bolts instead of the 3mm versions in this little Wallace++8mm put together a couple years ago and then abandoned to the closet. Extended Y to 230mm originally and added some lead screws. Seems this little guy should live to print so spending some time reviving it but the "Ramps Nest" needs fixing once he's up and rolling.
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12/22/16
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