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Them who can, do; them who cant, --teach; them who cant but who are charming, --manage; and them who cant, and who are worthless, who are charming, and deceitful, licentious, corrupt and dishonest, --are politicians. That seems to describe government officials everywhere.
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- treasure-trove-of-the-northwoods (641)- Feedback left by buyer.More than a year agoVerified purchaseQuick response and fast payment. Perfect! THANKS!!
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Reviews (10)
Jan 24, 2016
Board is well laid out, conn's for everything needed for 3D printer
Board is well laid out, conn's for everything needed for 3D printer and it has an internal switching power-supply that down-converts from 12 ~ 24Vdc input to 5Vdc output, for the low voltage parts. Its a nice board IMO. And the designer includes a mechanical diagram for mounting. I do not know if they provide a schematic? I would require that as a condition of sale, however. In any case the board looks good to me.
gps_engineer
Apr 01, 2017
Put All Those USB Plugs On The Back!
When I bought this dock I was torqued because it did not arrive with a power-supply and I could see that the dock had a power-port for one. No power-cord, no power-supply, and as usual (since Carley Fioroni fang-banged HP and layed off 10,000 HP engineers, outsourcing to E. India), HP is being tricky with their technical info re; these docking stations. So, I was torqued, then I realized that the laptop's power-cord mated with the dock properly (I checked polarity using a DVM) and it powers both the dock and the laptop. The bottom line here is that dock actually works very well and it provides a few features that are missing on the laptop, things like the legacy Centronix parallel port and the PS/2 keyboard/mouse ports and a DB9 serial port to boot. But really cool is the fact that ALL of the connectors are routed to the rear of the laptop instead of sticking out on the sides. The dock also elevates the laptop so that the fab isn't working so hard to cool the CPU.
All in all I'm pretty happy with the dock. It works well, it is easy to attach/detach and all the gadgets stay behind, connected when I go to the coffee shop. Its neato.
gps_engineer
May 01, 2016
XY DROs On My Mini-Mill
1 of 1 found this helpful I bought two of these (aluminum) DROs with LCD ReadOuts for X & Y axis. After figuring out how to mount them on my MicroMark Mini-Mill, I use them constantly. I have been using them on and off for around three months now, although I bought them from Taylor Tool-Works several years ago. As a tip, the scale brackets can be reversed by bending up-the scale-stop tab so that bracket is underneath the scale. And if the scale is too long, it can be cut to custom length using a hacksaw, which of course, likely voids any waranty.
I have so far had no issues with swarf getting into the scales. There have been reports that (because) the polarity of the scale is reversed can cause erratic readings due to ground-loop, I have not seen this problem on my two iGaging DROs. However, later, as an added assurity, I wrapped the end of the scales with clear thin packing tape where scale-end is located inside the mounting bracket to isolate scale from mini-mill 'ground'. In either case they work good in my experience.
Accuracy runs about 0.01 mm which is plenty accurate for an el-cheapo mini-mill in my opinion and they are reasonably repeatable too. However, since there is no actual power-switch, eventually the batteries (two per RDO, bats are hooked-up in parallel which is..so-so), the batteries drain whether DRO is turned on or off. I am working to determine how to power the DROs with an external power-supply, that way they can be powered when needed. Its a bummer needing to use them only to discover that the batteries are weak (erratic readings are first sign) or dead and no replacement batteries on hand :((
On the scale, the cable exits the scale-sensor body through box perpendicular to the plastic box which was causing cable stress. I opened the case and discovered that on the inside, there is a micro-USB connector plugged into the printed-circuit-board, and is 'glued' using hot-glue. I carved off the hot glue, punched a hole along the box edge on the end of the box, routed cable to the new 'hole', allowing the cable to recess into the 'hole' when the box is closed, to make it again, swarf-tight (swarf = metal shavings). I used a couple drops of Goop Shoe Glue (great stuff!) to plug the original.
I use these iGaging DROs all the time, I am very happy with their quality and reliability, but remember that they are not glass scales and they are only around ~$35 bucks, but they are pretty good value in consideration of the cost.
These DROs have changed the nature of my milling results from, guessing (due to the really bad backlash seen in the inexpensive mini-mills, and the built-in dials are all but worthless) to milling accurate pretty parts!
Bottom, I like these DROs and I am buying another right now for my 'Z' axis.
gps_engineer