Category: Shrapnel

Shrapnel
Posted on by jaywll

Earlier in the week I wrote a blog post about how I set up my Office display using a Raspberry Pi 3B+

Today I picked up a Pi 4 and a Pi Zero 2 W for other projects (watch this space!) and I was curious how they’d perform. So I raced them. From the time I press the “power on” button on my TV remote to the time they’re displaying a webpage.

DeviceTime
Raspberry Pi 3B+1:05
Raspberry Pi Zero 2 W1:25 (+20 secs)
Raspberry Pi 4B (4gb)0:49 (-16 secs)

This is not super-scientific. I think the 3B+ is usually faster except it took longer than usual to obtain an IP address during its boot process. 🤷🏻‍♂️

What was most interesting to me was the differences between the 3B+ and the Zero 2W: the initial parts of the Zero’s boot process were quicker than the 3B+, but as soon as it got into dealing with graphics and opening the browser it slowed down dramatically. Even changing from one screen to another in my dashboard and reloading page elements were slow enough that I would need to change my dashboard layout. It really wasn’t performant enough for what I’m doing.

The Pi 4, unsurprisingly, performed great – although the difference between the 3B+ and the 4 wasn’t as big as I thought it would be. The Pi 4 is also too power hungry to be powered by my TV’s USB port, which is a really nice feature of my setup.

Whether by luck or judgement, the setup I have is the one I’d recommend if you want to do something similar. I’m almost tempted to buy more Pi 3s in case I want to replicate it somewhere else in the house.

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Shrapnel
Posted on by jaywll

…and another update – I’ve made the u-shaped bracket for the microcontroller that I talked about in my post yesterday.

I originally thought I’d need to adjust the hole in the garbage can model to move it upward, but actually the key was putting the microcontroller into the bin with the port facing down.

It does need to be very slightly wider than it currently is, but on my test piece I did that a file and it’s looking good!

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Shrapnel
Posted on by jaywll

Prototype is alive!

I was worried that only having two LEDs instead of four would result in it not being bright enough, but I’m running it at half brightness with my example code and it seems great.

Next steps are to find a way to fit the tiny microcontroller I’m going to use into the bottom so the USB port lines up for power, and of course print the bin in white.

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Shrapnel

B.C. Supreme Court throws out Nanaimo man’s ‘scandalous’ $32-trillion lawsuit

Posted on by jaywll

Chamberlin argued his relief should include $32 trillion, the “reconstruction” of the RCMP, 500,000 shares in Tesla, the suspension of trade between Canada and China, the release of various classified documents, an MRI of his entire body and the dismantling of Transport Canada. He also sought a private meeting with the Queen and the “cleaning up of the swamp,” which was not defined more clearly in the court documents.

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