Seedsigner hardware dev v1
About the Seedsigner hardware dev v1 PCB
Seedsigner hardware dev v1 is an open source PCB design by lightningspore, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 22 components from 8 distinct parts.
Other key parts include the WAVESHARE_LCD_BUTTON_BOARD_1.3IN, C2685093, C25503124 and PCA9539PW,112. By type, the board carries 14 resistors, 4 ICs, 1 connector and 1 capacitor.
From the project
Use an air-gapped Raspberry Pi Zero to sign for Bitcoin transactions! (and do other cool stuff)
SeedSigner code fork: https://github.com/lightningspore/seedsigner/tree/0.8.5-luckfox
Previous Iteration: LuckFox Pico Pro Max (More Flash, SPI Flash)
These example builds can build a device for around $60.
Replace /dev/diskX with your actual SD card device path.
Main components on the Seedsigner hardware dev v1
Seedsigner hardware dev v1 bill of materials (BOM)
22 components, 8 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | WAVESHARE_LCD_BUTTON_BOARD_1.3IN WAVESHARE_LCD_BUTTON_BOARD_1.3in | WAVESHARE_LCD_BUTTON | U2 |
| 1 | C2685093 RPI_ZERO | RPi_Zero | U3 |
| 1 | C25503124 LuckFox_Pico_PLUS_PRO | LUCKFOX_PICO | U4 |
| 1 | PCA9539PW,112 PCA9539PW_112 | SOP65P640X110-24N | U5 |
| 1 | CONN_01X04 Conn_01x04 | NS-Tech_Grove_1x04_P2mm_Vertical | J1 |
| 2 | ST7789 | PinHeader_1x08_P2.54mm_Vertical | LCD1, LCD2 |
| 1 | 0.1UF 0.1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 14 | 10K | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R2, R3, R4, R5, R6, R7, R8 +6 |
Seedsigner hardware dev v1 design files
The KiCad project lives in the lightningspore/seedsigner-luckfox-pico repository on GitHub; these links point at the commit this page was built from.
Seedsigner hardware dev v1: common questions
How big is the Seedsigner hardware dev v1 PCB?
The Seedsigner hardware dev v1 measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Seedsigner hardware dev v1?
22 components, from 8 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Seedsigner hardware dev v1 design files?
From the lightningspore/seedsigner-luckfox-pico repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Seedsigner hardware dev v1 design in my own project?
The repository has no license, so all rights stay with lightningspore. Use it as a reference, and ask the author before reusing the design.
