HellScribe
About the HellScribe PCB
HellScribe is an open source PCB design by devttys0, published on GitHub under the Unlicense license. It is a 2-layer board measuring 173.7 × 28.5 mm, with 51 components from 18 distinct parts.
Other key parts include the LM393 and CD4022. By type, the board carries 16 diodes, 13 resistors, 10 transistors, 7 capacitors, 2 ICs and 2 connectors.
Main components on the HellScribe
HellScribe bill of materials (BOM)
51 components, 18 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM393 | SOIC-8-N | U1 |
| 1 | CD4022 | SO-16-N | U2 |
| 2 | 2N3904 | SOT-23 | Q1, Q10 |
| 8 | FDV304P | SOT-23 | Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 |
| 1 | +12v | BARREL_JACK | CON1 |
| 1 | STX-3100-5N | STX3100 | J1 |
| 16 | LED | LED-5MM | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
| 1 | 10uH | R_0805_HandSoldering | L1 |
| 5 | 0.1uF | C_0603_HandSoldering | C1, C3, C4, C5, C6 |
| 1 | 2.2nF | C_0603_HandSoldering | C2 |
| 1 | 10uF | R_1206_HandSoldering | C7 |
| 1 | 1k | R_0603_HandSoldering | R1 |
| 1 | 2.4M | R_0603_HandSoldering | R2 |
| 6 | 10k | R_0603_HandSoldering | R3, R5, R6, R7, R8, R9 |
| 2 | 100 | R_0603_HandSoldering | R4, R11 |
| 1 | 11k | R_0603_HandSoldering | R10 |
| 1 | 2.2k | R_0603_HandSoldering | R12 |
| 1 | 10 | R_0603_HandSoldering | R13 |
HellScribe design files
The KiCad project lives in the devttys0/HellScribe repository on GitHub; these links point at the commit this page was built from.
HellScribe: common questions
How big is the HellScribe PCB?
The HellScribe measures 173.7 × 28.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the HellScribe?
51 components, from 18 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 HellScribe design files?
From the devttys0/HellScribe repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the HellScribe design in my own project?
Yes, under the terms of its Unlicense license, which devttys0 chose for the repository.