2 layers56 × 65 mm
SeaTalk1
dotnet/iot
This repo includes .NET Core implementations for various IoT boards, chips, displays and PCBs.
24 parts2.4kMIT
2 layers
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 24
- Nets
- 23
- Pads
- 104
- Tracks, vias
- 207, 20
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 15 Jun 2026
- Updated
- 15 Jun 2026
Overview
DEM is an open-source printed circuit board by olgthtvv, from the olgthtvv/kicad repository on GitHub. It is a 2-layer board with 24 parts on 23 nets, routed with 207 tracks and 20 vias.
Its parts include 9 resistors, 8 diodes, 5 switches and 1 IC.
Parts
24| Qty | Value | Footprint | References |
|---|---|---|---|
| 9 | R | Resistor_SMD:R_0201_0603Metric | R1, R2, R3, R4, R5, R6, R7, R8, R9 |
| 8 | LED | LED_SMD:LED_0201_0603Metric | D1, D2, D3, D4, D5, D6, D7, D9 |
| 4 | SW_Nidec_CAS-120A1 | Button_Switch_SMD:Nidec_Copal_CAS-120A | SW2, SW3, SW4, SW5 |
| 1 | 74LS75 | Package_DIP:DIP-16_W7.62mm | U1 |
| 1 | Battery | Battery:BatteryHolder_Bulgin_BX0034_1xAAA | BT1 |
| 1 | SW_MEC_5E | Button_Switch_SMD:SW_MEC_5GSH9 | SW1 |
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Questions
What parts does the DEM use?
24 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the DEM KiCad files?
From the olgthtvv/kicad repository on GitHub, at the commit this page was made from: the board is DEM.kicad_pcb and its schematic DEM.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the DEM design in my own project?
Its repository states no licence, so its author keeps all rights: ask olgthtvv before reusing the design.