[LINK] Has the world just gone light-headed, or completely bonkers?

Marghanita da Cruz marghanita at ramin.com.au
Wed Jul 17 14:59:44 AEST 2019

We might have to re-think that old joke about how many it takes to 
change a light bulb....

I think there is something similar for my Light Sensor on my automatic 
lighting or it might have been the generation before on a timer...


On 17/7/19 12:27 pm, Scott Howard wrote:
> Installing a light build can be done by (most) anyone, without any special
> skills, licenses, or tools, and at zero cost (other than the light bulb
> itself, obviously)
> Any other option requires a licensed electrician, and comes at a
> significantly higher cost..
> The "temporary" installation also has benefits as technology changes and
> matures.  Anyone that installed previous generation hard-wired controllers
> (eg, z-wave) may currently be in a position of running devices which known
> security issues, and no easy way to replace them.
>    Scott
> On Tue, Jul 16, 2019 at 7:10 PM Roger Clarke <Roger.Clarke at xamax.com.au>
> wrote:
>> The thing my inadequate imagination isn't coming up with is why I would
>> want active silicon inside my light-bulb assembly.
>> Remote operation of lights can be achieved by installing active silicon
>> in a control panel that operates a bank of switches.
>> ____________
>>> On Wed, 2019-07-17 at 10:21 +1000, Roger Clarke wrote:
>>>> If you need to reset the software in your GE smart light bulb --
>>>> firmware version 2.8 or later -- just follow these easy instructions
>> On 17/7/19 11:24 am, Karl Auer wrote:
>>> This procedure saves them the cost of a reset switch in the bulb
>>> circuitry. A switch that they cannot have people operating in the
>>> presence of 240V mains power, so would have to be on the base of the
>>> bulb, inaccessible when the bulb is in place.
>>> With the switch, the procedure would be "turn off light, remove bulb,
>>> set switch, insert bulb, turn on light, bulb will flash three times,
>>> turn off light, remove bulb, set switch off, insert bulb".
>>> However, this procedure does not ensure that the customer turns off the
>>> light before removing or inserting the bulb, so dramatically increases
>>> the risk that the customer will electrocute themselves while trying to
>>> reset the bulb. As bulb resets are not a function of ordinary light
>>> bulbs, these electrocutions will immediately become "GE's fault", and
>>> they don't want that.
>>> The actual procedure directly incorporates having the bulb in place and
>>> safe. The many steps ensure that the bulb is highly unlikely to reset
>>> accidentally.
>>> So not as insane as it may first appear...
>>> Regards, K.
>> --
>> Roger Clarke                            mailto:Roger.Clarke at xamax.com.au
>> T: +61 2 6288 6916   http://www.xamax.com.au  http://www.rogerclarke.com
>> Xamax Consultancy Pty Ltd      78 Sidaway St, Chapman ACT 2611 AUSTRALIA
>> Visiting Professor in the Faculty of Law            University of N.S.W.
>> Visiting Professor in Computer Science    Australian National University
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Marghanita da Cruz
Telephone: 0414-869202
Email:  marghanita at ramin.com.au
Website: http://ramin.com.au

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