Compact @SeedSigner acrylic + zip tie v2 "case"! ImageImageImage
This mini camera is $8 more than the standard one but is nice and compact.

I sandwiched the build with this $5 acrylic protector. But the screws are too short once you stuff the camera underneath it so had to resort to zip ties. ImageImage
I loose-fit the back piece in place and marked the camera position with a sharpie.

The acrylic was easy enough to drill through. ImageImageImage
I love how compact this build is!

About $47 in parts, ignoring shipping. But I'm really liking this for us sad plebs that don't have a 3d printer to make a case!
Anyone with a drill should be able to do this.

I used a 5/16" bit. Put a sacrificial scrap piece of wood under the acrylic when drilling to prevent chip out on the back side.

Don't need a drill press, but does make it easier & safer.
Bottom unit has a couple of minor changes:

* 7/16" drill bit so the rear acrylic panel can sit more flush against the board. Meh. Smaller hole looks better.

* Mounted the panel "upside down" to cover the soldered pins.

* Adafruit (top) vs Amazon cam. No practical diff. Image

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More from @KeithMukai

18 Sep
I wanted to copy the fully-synced #Bitcoin blockchain data from my @getumbrel node to a new raspi that I'm setting up.

Quick 🧵on how to do it: Image
* First you have to STOP the Umbrel services but keep its Pi running.

You want the Bitcoin Core data to be frozen in time so that it doesn't get out of sync with itself when you're copying (which will take a while).

In order to stop Umbrel...
* `ssh` into your Umbrel node. Password is the same as the web UI.

ssh umbrel@umbrel.local

If you can't resolve `umbrel.local`, you can use its IP addr:

ssh umbrel@192.168.x.y Image
Read 7 tweets
18 Sep
My original #Bitcoin Core node (from Nov 2019!) finally maxed out its 500GB ssd a few days ago.

Bought a 1TB and cloned the old drive.

Quick 🧵 on how to swap your SSD: Image
I use @SpecterWallet so first I backed up my Specter data and Bitcoin Core's wallets dir using `scp` from my Macbook. `scp` uses the same login credentials as ssh.

(obv your directories on your Pi will vary) Image
Opted for this SK hynix 1TB ssd.

* I powered down my node (Pi1)
* Moved its 500GB ssd to a different, already running Pi (Pi2)
* Also plugged the new SSD into Pi2

amazon.com/dp/B07SNHB4RC/…
Read 7 tweets
24 Nov 19
1/ #Bitcoin advocates always say you should run your own full node but the arguments for why are often murky or esoteric ("because freedom!").

As I've taken the dive I'm seeing more and more substantive reasons. Not abstract. Not philosophical. Do X and you gain Y.

Thread:
2/ @ElectrumWallet requires a full node

- Manage your hardware wallets w/out handing all past & future tx info to Ledger Live, etc.
- Easily set up your own multisig wallets. No need for partial custodial services like Casa.
- Privacy-enhancing coin labeling & utxo selection.
2.b./ (note: The Electrum ecosystem is a bit confusing at first. I'm running electrum-personal-server on my full node and connecting to it on my laptop via the Electrum client)
Read 11 tweets
8 Aug 19
1/Why #bitcoin matters now.

Trump wants to look good for 2020. No surprise there. Strong economic numbers--especially GDP--are crucial.

So: trade war! Force a huge economy (China) to buy more of our products. Cranks up GDP. Yay us, right?!

Except China's fighting back.
2/China is devaluing their currency. Sounds bad for them, ya? So counter-intuitive.

A weaker Yuan makes it harder for China to import goods (they can't afford to buy other countries' stuff).

But also makes it cheaper for others to buy Chinese goods (our bucks go further).
3/But China is primarily an export economy. So they're happy to juice the trade flow out and disadvantage the flow in.

The $USD is already expensive relative to everyone else's currency. So what can Trump do? He *needs* to increase our exports... but we're expensive to buy from.
Read 20 tweets

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