Commit 750ca4f6 authored by Jake Read's avatar Jake Read

update controller documentation, some fixturing, 1axis look

parent f8f3034c
# micro Stress vs Strain Machine
## uSSM #3
## Controller Progress
I can run tests now, pulling data back in raw 24-bit signed integers from the load cell amp, and counting single steps.
![c1](images/2019-09-06_ussm-controller-01.png)
![c2](images/2019-09-06_ussm-controller-01.png)
These from this small sample:
![sp](images/2019-09-06_ussm-controller-test.jpg)
I can save this / output it as a JSON object, and it should be trivial to get this data out to a database somewhere... just need to know how the object should be formatted / how the database should be connected to.
## Controller Desires
- cyclic loading
- direct upload -> materiom (generic: databases) ... MQTT (and nodered)
- https://cookbook.nodered.org/mqtt/ (and: https://cookbook.nodered.org/)
## uSSM #3
![img](images/ussm3_chassis.jpg)
Theres a few new criteria that ussm-3 aims to achieve:
- Manufactured only using simple shop tools, PLA 3d printers, and a standard bed size (24'x 24') laser cutter.
- Manufactured only using simple shop tools, PLA 3d printers, and a standard bed size (24'x 24') laser cutter.
- Pulling force of around 600N
In order to be laser cuttable, acryllic and delrin were the main two materials considered. Delrin was the go to option to avoid shattering.
......
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