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Oh, forgot to add, here is the ino file saved as a .txt file. I don't have the Arduino development software, but others might want to read the code... Chuck - if you want your circuit drawn up, I

If I understand your code, you receive a start bit and then a value of 20 bits (LSB first) followed by a sign bit and then a few bits you discard. Then, you take the value and convert it to a float

In the pic, the breadboard next to the mouse has the logic shifting circuit to shift the caliper data and clock from 1.5v to 5v logic. The other breadboard has the adjustable 1.5v regulator to power

Hi guys This is where my ER20 collets end up. From left to right the TTS collet holder from Little Machine Shop before they started providing ones with the slot for the tool changer arm. The middle

This one is only 4.5 hours and 22meters of filament. Much more doable. But my ER20s came in this box. But I can see ordering more of a specific size to fit the various tooling I have in the Tormach

Here’s a couple URL’s with explainers that I've kept: https://www.robotroom.com/Caliper-Digital-Data-Port.html <https://www.robotroom.com/Caliper-Digital-Data-Port.html>

A friend has asked me if I know of a DIY process similar to black anodizing for some aluminum parts he has made. Most of the spray-on stuff I see seems to be of questionable safety or result. Has

Chuck, Wow, I would like to see that.? I am especially interested in how you are reading the data from the caliper.? Any further info, photos, sketches would be helpful.? Great job in adapting

Hi, John, Further to my post above,.. The purpose of the ACCEL trimpot on the mini-lathe is to do exactly what you want to do.? Below please find an excerpt from the KBLC manual on the lathe

Attached an STL file a tray for ER 20 collets Hope it works for John, if not the tray will make a good pigeon egg incubator. LOL. STL scaled from the ER 32 tray by a .625 scale factor. Normal ER 20

Phill Thanks, it looks like STL file transfer works. Good to know for the future. In Mastercam, provided you scale(size) from the origin, all sizes change equally. there are options to scale in X Y Z

Charlie Basically the wool was transported by rail, after shearing from numerous outlying North UK sheep farms, the baskets were used to transport the wool for processing to MILLS . Spun, dyed and put

carbide is carbon and a metal and there are a variety of carborized metals Buffalo John

I am no expert on Arduino but I would be interested in taking a look at your code, particularly the imperial/metric problem you are having. If you are happy mail me at the address in this post. Sounds

Chuck Nice post. Keep going on the caliper project, and bring us up to speed, I have a few bits and pieces of Arduino kit, and a lot more to learn. -- John

probable, shows what I know :-)

Nice, John! Could you please clarify what they represent?? I think you mentioned it to me recently... -- Regards, Charlie New Jersey, USA *MURPHY'S CONSTANT: Matter will be damaged in direct

John Lindo,, thanks for making the STL file availalble very nice model. John D if you want the ER 20 model just resize the 32 down I have just done it for my ER 25's work well. Phill

You can use square HSS blanks, already hardened, but you would need a surface grinder for accuracy to produce the 4 rake angles. Using a off hand bench grinder possibly, but certainly a Surface

Looks like it will fit on my build plate and it matches your 14 hour print time. But as it turns out I also only have ER-20 collets. Thought I had ER-32s too. So for now the little wooden box that