seedhammer / SeedHammer is on Nostr

Second generation engraving machine for bitcoin backups.

Last Notes

2025-03-27 15:14:25

Just 2 hours ‘til we go live with - and @nprofile…hs2e is joining us. Tune in!
#nevent1q…v0p5

2025-03-26 18:00:46

Going live with Geyser Weekly on X Spaces tomorrow at 1PM EST. Don’t miss it 🔥
https://x.com/i/spaces/1BdGYqbPoOYGX

2025-01-28 09:11:08

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Direct support is not planned. However, we will add a feature to engrave arbitrary data.

2025-01-28 09:03:50

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https://m.primal.net/OEEM.png

2025-01-28 09:02:44

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Each machine includes a Raspberry Pi rp2350 microcontroller. The same as in the Pico2.

2024-12-29 20:20:20

Completed a major overhaul of the graphics subsystem of the microcontroller firmware.
Drawing first frame:
Before: 1800 msec (~0.6FPS)
After: 40 msec (~25 FPS)
= 45x speedup.
We expect another 2-3x speedup when switching to the faster rp2350 MCU and use both cores for drawing.
https://m.primal.net/NKnN.mp4

2024-12-25 22:31:54

Lovely update from our engineer, casually creating the FrankenHammer while waiting for functional electronics and firmware.
#note1dmq…afqq

2024-12-23 09:15:57

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Not storing the descriptor with your multisig shares gain a very small increase in obscurity, while increasing the risk of losing access to your funds.

2024-12-23 09:13:45

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Unless you never spend (or test) your wallet, you'll need *some* tools that require *some* trust. E.g. signing devices.

2024-12-21 23:23:03

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Thanks! Nostr announcement here:
https://njump.me/nevent1qqsq5dlje82pascfefn7gmrfntk75c3htzrs6meeh69g9553qm337lqpzemhxue69uhhyetvv9ujumn0wd68ytnzv9hxgq3qz072s0nvldeva7a6qek3kj358f0h5gm640kkllkk52h0qrjtnw8qdsws70

2024-12-21 23:15:23

Announcing SeedHammer II
Compact, light and operated by builtin touchscreen, this is the machine we wanted when starting SeedHammer.
Preorder here:
- https://geyser.fund/project/seedhammerii (lightning)
- https://seedhammer.com/shop (on-chain)
SeedHammer II is smaller than a 21cm cube and less than 4kg so you can fit it in a backpack. The large LCD and touchscreen eliminate the need for an external controller.
The control board and LCD are designed to be replaced, so you can safely share a SeedHammer II. A replacement kit is $89, comparable to the cost of a manual engraving kit.
The SeedHammer II OG limited edition is for you with the means to support the project. In return we will ship to you 1 of the 21 high-quality machines, and print your name or alias on every control board produced during the fundraiser.
https://m.primal.net/NCsc.mov
https://m.primal.net/NCsi.jpg
https://m.primal.net/NCsj.jpg