bitcoin-hardware-specter-diy
Specter DIY: open-source HW wallet built on STM32 dev board with display. By the Specter team. USE WHEN: building Specter DIY, evaluating DIY HW signing options.
What this skill does
# Specter DIY DIY hardware wallet by the Specter team (Crypto Advance). Built on STM32 dev boards with attached displays. ## Hardware (DIY) - STM32F469-Discovery board (~$80). - Custom firmware via PlatformIO. - USB connection. ## Operation - Standard PSBT signing flow via Specter Desktop. - Single-coin (Bitcoin) signing. - Multisig coordination via Specter Desktop. ## Compared to other DIYs | Aspect | Specter DIY | SeedSigner | Krux | |--------|-------------|------------|------| | Hardware | STM32 dev board | Raspberry Pi | Sipeed M5StickV | | Cost | Mid ($80) | Low ($60) | Low ($50) | | Statelessness | Stateful | Stateless | Stateless | | Coordination | Specter Desktop | Multiple wallets | Multiple wallets | | Tinkering required | Some | Some | Some | ## Use cases - **Specter Desktop ecosystem** users wanting matching hardware. - **STM32 enthusiasts** preferring real hardware-level dev. ## Limitations - **Smaller community** than SeedSigner / Krux. - **STM32 hardware** availability sometimes limited. ## See also - [seedsigner/SKILL.md](../seedsigner/SKILL.md) - [krux/SKILL.md](../krux/SKILL.md) - [../infrastructure/specter-desktop/SKILL.md](../../infrastructure/specter-desktop/SKILL.md)
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