Sch
About the Sch PCB
Sch is an open source PCB design by DownUnderCTF, published on GitHub. It is a 4-layer board measuring 150 × 110 mm, with 47 components from 10 distinct parts.
Other key parts include the 74LS04, 74LS02, 74LS40, 74LS00 and 74LS08. By type, the board carries 30 ICs, 14 resistors, 2 switches and 1 diode.
From the project
Files + Solutions for DownUnderCTF 2024 Challenges
- Category: hardware - Difficulty: hard - Author: HexF - Tags:
We intercepted some design files. Maybe you can make sense of them?
Main components on the Sch
Sch bill of materials (BOM)
47 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 74LS04 | DIP-14_W7.62mm | U001, U028 |
| 4 | 74LS02 | DIP-14_W7.62mm | U002, U007, U018, U027 |
| 15 | 74LS40 | DIP-14_W7.62mm | U003, U004, U006, U009, U011, U013, U014, U016 +7 |
| 4 | 74LS00 | DIP-14_W7.62mm | U005, U008, U012, U025 |
| 3 | 74LS08 | DIP-14_W7.62mm | U010, U015, U022 |
| 2 | 74LS86 | DIP-14_W7.62mm | U024, U029 |
| 1 | SW_DIP_SPSTx08_Slide_9.78x22.5mm_W7.62mm_P2.54mm | SW_DIP_SPSTx08_Slide_9.78x22.5mm_W7.62mm_P2.54mm | SW1 |
| 1 | SW_DIP_SPSTx05_Slide_9.78x14.88mm_W7.62mm_P2.54mm | SW_DIP_SPSTx05_Slide_9.78x14.88mm_W7.62mm_P2.54mm | SW2 |
| 1 | LED_D5.0mm_Horizontal_O3.81mm_Z15.0mm | LED_D5.0mm_Horizontal_O3.81mm_Z15.0mm | D1 |
| 14 | R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R_Axial_DIN0204_L3.6mm_D1.6mm_P2.54mm_Vertical | R1, R2, R3, R4, R5, R6, R7, R8 +6 |
Sch design files
The KiCad project lives in the DownUnderCTF/Challenges_2024_Public repository on GitHub; these links point at the commit this page was built from.
Sch: common questions
How big is the Sch PCB?
The Sch measures 150 × 110 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Sch?
47 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Sch design files?
From the DownUnderCTF/Challenges_2024_Public repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Sch design in my own project?
The repository has no license, so all rights stay with DownUnderCTF. Use it as a reference, and ask the author before reusing the design.
