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Sunday, 16 December 2012

RO Machine - Part 6

Finally managed to get round to spending some more time with the RO Machine. After a lengthy wait for some out of order components, i eventually took another direction and happily received a host of items to start wiring up all the different sections of the control box.

Managed to put a good days effort into it.

It started like this…

Daily FTS RO Machine.15

With the idea being to use crimp connectors and housings to make up custom wiring looms…

Daily FTS RO Machine.48

The Arduino AT Mega board takes place in the centre of the lower half, flanked by the two relay boards…

Daily FTS RO Machine.54

After a bit of practice with the crimping tool, my first task was to give installing the LCD a go…

Also a small board as can be seen in the top corner of the upper half was made to act as a power rail board. The Arduino 5v and GND connections got to this board allowing several connections to go to the LCD and eventually to the relay boards…

Daily FTS RO Machine.23

Hooked up to the laptop and a test run to ensure all the connections were sound…

Daily FTS RO Machine.30

Thankfully it was a success!

Next job was to connect up the interface board and control buttons, with the watchful eye of my quality engineer…

Daily FTS RO Machine.13

A bit of a tidy up once the wires were connected and routed…

Daily FTS RO Machine.45

So far so good, I'm quite happy with how neat it becomes despite the crimping being a little tedious and fiddly! Doesnt half make the ends of your fingers a bit sore!

I got to the point of testing the button illumination, with a few bugs it would seem. One button doesnt seem to light at all, possibly faulty within itself, another button failed to illuminate, but would do so if i swapped it onto another plug on the interface, suggesting an iffy solder joint somewhere on the interface board.

It was getting a little late and me a little tired, so will return to it with fresh eyes and better temperament for solving problems very soon!

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