[Swansea Hackspace] Flip dot display group project...

[Peter Barnes]

Nathan,

I'll be along tomorrow at 7 to flip some dots.

I've also convinced a lecturer to help reverse engineer the main board in
the electronics lab Thursday morning.

As you said our current task is to remove the controller from the equation
and program the main board directly over RS-485.



Peter Barnes
M0SWN

On Tue, Feb 20, 2018 at 1:37 PM, Alex Duffield <alexmduffield at gmail.com>
wrote:

> I may be along with my bow, the brass work arrives so I can work on the
> air system of it, do we have a blowtorch or hot air gun capable of melting
> solder? I want to solder seal my brass work to the piston and it's self as
> efficiently as possible
>
> On 20 Feb 2018 1:30 p.m., "Nathan Hackett" <nhackett1 at gmail.com> wrote:
>
>> Everyone is welcome to come along tomorrow (from 7 I guess?) to help with
>> the reverse engineering effort on the flip dots. Or to work on and get help
>> with your own projects. :)
>> Some progress was made on Monday, we have a rudimentary pinout of the
>> signals being sent to the panels. It does include two lines running at
>> nearly 20v, but no negative lines thankfully.
>> Justin has donated a USB to RS-485 board so hopefully we will have it
>> displaying ascii by the end of the evening. :)
>>
>>
>> On Fri, Feb 16, 2018 at 2:20 PM, Justin Mitchell <
>> justin at swansea.hackspace.org.uk> wrote:
>>
>>> On Fri, 2018-02-16 at 13:35 +0000, Nathan Hackett wrote:
>>> > If anyone has ideas for
>>> > suitable grease/lubricant for the tiny metal hinges on the dots,
>>> > please bring that along to test. Needs to be fairly viscous I would
>>> > guess, the hinges themselves are loosely seated in holes in the
>>> > plastic housing. Would be great to solve the "sticking dot" problem
>>> > without resorting to mechanically "tapping" the panels.
>>>
>>> There is a small silver tin of PTFE Grease in the 3D printer spares box
>>> (pink lid) used for lubricating the bearings and threads, try that
>>>
>>>
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>>
>>
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>>
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