@MapleEngineer@lemmy.ca avatar

MapleEngineer

@MapleEngineer@lemmy.ca

25 years in the federal government in guns and badges, 22 of those in Corrections, then 10 years in hacker hunting and breach detection, now an information security sales engineer. Homestead farmer, amateur welder, equipment operator, electronic designer, 40 years soldering, husband and father.

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MapleEngineer,
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I like the sound of Crackhead Stadium, though!

MapleEngineer,
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This isn’t bait, this is accurate reporting of a decision by a Canadian court. Reality can be scary when you step out of the echo bunker.

MapleEngineer,
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Do you even have the first clue what you’re talking about or are you just spouting right wing talking points? Censoring the internet (banning hate speech as it is known outside of the right wing echo bunker) has nothing to do with privacy. Calm down, give yourself a bit of time to adjust. You will find that reality is FAR less scary than the right wing echo bunker would have you believe.

MapleEngineer,
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Yup. They live in the christofascist echo bunker which is dominated by US neo-fascist billionaires and have no idea what’s actually going on in the real world.

MapleEngineer,
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Not to mention gun rights in Canada…of which there are none.

MapleEngineer,
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It’s actually an antisemitic trope repurposed to attack the LGBT* community.

MapleEngineer,
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We’ve reached the tipping point. Fascism is on the rise globally and they have broken cover and are running to try to grab the prize. They need to be stopped.

MapleEngineer,
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Alberskatchetoba?

MapleEngineer,
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When the right wing says, “free speech” they actually mean, “hate speech without repercussions”. Free speech is a right wing dog whistle.

MapleEngineer,
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2/3 of Canadians own their own homes.

MapleEngineer,
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Alberskatchetoba.

MapleEngineer,
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I forgot about that so I missed the reference. Sorry.

MapleEngineer,
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We have massive household debt because we are livestock farmed for wealth by the plutocrats. They get us in debt early and keep us in debt our whole lives to that they can extract the maximum amount of interest from us until we die and our estates can be picked over for anything that’s left to pay our final debts.

MapleEngineer,
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Source?

MapleEngineer,
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Trust me

Uh…no…I don’t think I will.

MapleEngineer,
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MapleEngineer,
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No one is under any obligation to engage with you on your nonsense. Sorry.

Have a nice day.

MapleEngineer, (edited )
@MapleEngineer@lemmy.ca avatar

They have certainly gotten themselves organized. Once they realized that our system only functions because of the good faith of the participants and that they could lie and cheat and steal with no consequences they quickly began to take over.

Replacement controller for Atlas Vista 613 Wheelchair Lift (lemmy.ca)

This is the replacement controller I built for the wheelchair lift. The controller itself is in the middle. The four board on the left and right are a testing harness. The red and black wires are 24VDC and the green and white ones TX and GND for monitoring with a terminal program on my notebook (puTTY)....

MapleEngineer,
@MapleEngineer@lemmy.ca avatar

Thanks.

I’ve been working on getting the wheelchair lift working for about three months. It is an older unit, originally solid in 2013, and has passed through two or three owners. It had been “services” by a “certified” technician recommended by the company several months before I bought it. The controller uses five Schneider industrial relays of the type I used for this controller. Four have 24VDC coils and one has a 110VAC coil. The lower half of the relay socket on R2, the Active Security relay, had failed so that circuit was not working. The “certified” technician who worked on the machine removed the fifth relay, the 110VAC dead-man emergency lighting relay and moved the bottom half wiring from R2 to the R110 socket. He tied the coil power from R2 to R110. This left him short a relay. He took the next relay up, the Priority Relay which gave the lift platform priority over all other inputs and put it in the R110 socket then put the 110VAC relay in the Priority socket using the normally closed contacts as a short.

So…I bought a replacement relay socket and relays and put the machine back the way it was supposed to be. Then I started trying to figure out what the inputs and outputs for the controller were supposed to be. I got to the point where I was sure I had everything right and that the controller wasn’t doing anything. I convinced the company to provide some help and they confirmed that the controller was not working properly. They agreed that building my own was going to be more cost effective than buying a new one.

(Interestingly…when I removed the old one and took at look inside it was a voltage divider on the input, relays on the output, and an ATMEGA128 as the controller. Basically exactly the same thing that I built.

I had the Darlington arrays in my stock. I had to buy the Zener diodes I’m using to reduce the voltage from 24VDC to 3.2VDC.

Building the actual board took about four days. That board had a problem so I built a newer version with some improvements. That took a day.

Frankenduino! (lemmy.ca)

I’m working on replacing the Schneider SmartRelay on an Atlas Vista 613 wheelchair lift that I bought for my dad. The Atlas technician agrees that the SmartRelay is probably shot and the replacement is $1,000 wholesale. I built a replacement using an Arduino Nano, a UNL2803A Darlington array, a switching 7805, a bunch of Zener...

MapleEngineer, (edited )
@MapleEngineer@lemmy.ca avatar

I forgot a couple of wires and had to add them after the fact. I got a bit close to that one with my soldering iron. The insulation is melted right down to the wire but it’s outboard and only used for development so I hope Lemmy QA will give me a pass.

MapleEngineer,
@MapleEngineer@lemmy.ca avatar

Yup. That’s my story and I’m sticking to it.

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