2 layers100 × 100 mm
V2.2 Mechanical Seven Segment Controller
OverInvented/Flippy
The code needed to build a mechanical 7-segment display that uses electromagnets to display characters
53 parts65
2 layers66.9 × 189.8 mm
Stovesynth v2
vllem/pcb-stuff- Size
- 66.9 × 189.8 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 78
- Nets
- 215
- Pads
- 534
- Tracks, vias
- 678, 18
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 10.0 (file 20260206)
- Created
- 9 Apr 2026
- Updated
- 9 Apr 2026
Overview
Stovesynth v2 is an open-source printed circuit board by vllem, from the vllem/pcb-stuff repository on GitHub. It is a 2-layer board of 66.9 × 189.8 mm with 78 parts on 215 nets, routed with 678 tracks and 18 vias.
It is built around the 74HC595 and ULN2803A. Its parts include 23 capacitors, 22 ICs and 13 connectors.
Main components
2Parts
78| Qty | Value | Footprint | References |
|---|---|---|---|
| 22 | 100n | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C1, C2, C3, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22 +6 |
| 11 | 74HC595 | Package_DIP:DIP-16_W7.62mm_Socket | U1, U3, U5, U7, U9, U11, U13, U15, U17, U19, U21 |
| 11 | Conn_01x08 | Connector_Wago:Wago_734-138_1x08_P3.50mm_Vertical | J3, J4, J5, J6, J7, J8, J9, J10, J11, J12, J13 |
| 11 | ULN2803A | Package_DIP:DIP-18_W7.62mm_Socket | U2, U4, U6, U8, U10, U12, U14, U16, U18, U20, U22 |
| 1 | 1000u | Capacitor_THT:CP_Radial_D12.5mm_P5.00mm | C25 |
| 1 | Conn_01x02 | Connector_Wago:Wago_734-132_1x02_P3.50mm_Vertical | J1 |
| 1 | Conn_01x04 | Connector_Wago:Wago_734-134_1x04_P3.50mm_Vertical | J2 |
The 58 most common of 78 parts.
Questions
How big is the Stovesynth v2 PCB?
It measures 66.9 × 189.8 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Stovesynth v2 use?
78 parts, built around the 74HC595 and ULN2803A. 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 Stovesynth v2 KiCad files?
From the vllem/pcb-stuff repository on GitHub, at the commit this page was made from: the board is Stovesynth-v2.kicad_pcb and its schematic Stovesynth-v2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stovesynth v2 design in my own project?
Its repository states no licence, so its author keeps all rights: ask vllem before reusing the design.
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