µBOSS .... Test Instrumentation ... micro:bit

RE: µBOSS .... Test Instrumentation ... micro:bit

balearicdynamics — Sun, 14 Oct 2018 17:18:45 GMT

I loved this project! First because of the use of the SPI protocol while I already have difficulties (it will be great if you share the software. I tried to manage SPI on micro:bit on both microPython and Javascript with no success. I am sure that something is wrong in the code but I can't figure out what it is.

What I appreciated a lot is the use of the LCD screen and the LED grid of the micro:bit in conjunction. About leveling I have recently done some thoughts. What is the use of a level measurement in an instrument that can't be precise in terms of absolute? This thought is not related to your project, it's a general consideration. To put the hand on the problem I bought a Chinese digital level I will show you in the image below.

[View:/resized-image/__size/1200x900/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-001601fd-fed3-4aa6-9aa8-2db594434af9/contentimage_5F00_189478.jpg:1200:900]

Despite how much tool is precise, the metallic part is surely trustable respect the physical level indicators (the traditional ones) while the Chinese plastic insertion with the display and the electronic circuit it is very improbable that it is inserted perfectly aligned respect the other parts. We can expect this kind of precision on more and more expensive devices, not with this 5 Euro tool.

Ok, so why a digital inclinometer? I played a while and I discovered the trick. There is the reset button!

So, I put over a plane (or not a plane, just a surface). Then I RESET and the digital value goes to zero. At this point - for example - I can position another part in a very precise way exactly in the position I want. This makes extremely useful and easier to place two objects at a specific degree despite their real orientation. Maybe the worth to use one of the two micro:bit buttons to include a similar behavior?

Enrico

RE: µBOSS .... Test Instrumentation ... micro:bit

genebren — Fri, 12 Oct 2018 22:33:19 GMT

Great little project. I really like your case and bezel design. I don't know if I missed something, but I was curious about your Li-Po charging. Are you using an external charger to attach to unit and charge the internal battery?

Keep up the good work!

Gene

RE: µBOSS .... Test Instrumentation ... micro:bit

beacon_dave — Fri, 12 Oct 2018 20:34:37 GMT

Perhaps the LED matrix could be used to give a visible indication that a set point has been reached or is under / over. Could perhaps also be used to indicate a compass arrow or a bubble level target.

RE: µBOSS .... Test Instrumentation ... micro:bit

DAB — Fri, 12 Oct 2018 19:17:53 GMT

Great project Douglas.

DAB

RE: µBOSS .... Test Instrumentation ... micro:bit

dougw — Fri, 12 Oct 2018 13:14:00 GMT

[mention:6c8a9c7081294722a85ffb793947d80d:e9ed411860ed4f2ba0265705b8793d05] I notice the code window in this blog looks very different in Chrome versus IE. In Chrome it is a nice small scrolling window, in IE it is a gigantic window showing the whole program. Does anyone else have this problem?

RE: µBOSS .... Test Instrumentation ... micro:bit

jw0752 — Fri, 12 Oct 2018 05:06:45 GMT

Hi Doug,

Excellent project. You always do such a nice job with the custom cases for your projects. Thank you for sharing the build.

John

RE: µBOSS .... Test Instrumentation ... micro:bit

shabaz — Fri, 12 Oct 2018 00:35:52 GMT

Hi Doug,

Very cool : ) Impressive work integrating it all. It's easy to forget there are so many sensors on micro:bit, it's great to see them all brought out onto a status display!!