Vectron vga plus
About the Vectron vga plus PCB
Vectron vga plus is an open source PCB design by nickbild, published on GitHub under the MIT license. It is a 2-layer board measuring 177.8 × 139.7 mm, with 36 components from 20 distinct parts.
Other key parts include the SN74LS682N, SN74LS244N, 74LS273, SN74LS74AN and 74LS161. By type, the board carries 18 ICs, 7 connectors, 6 resistors, 4 capacitors and 1 crystal.
It belongs with the retro computing designs in this gallery.
From the project
Vectron VGA Plus generates a 640x480@60Hz VGA signal and has an interface that works with retro computers or microcontrollers.
Vectron VGA Plus generates a 640x480@60Hz VGA signal and has an interface that works with retro computers or microcontrollers.
Screenshot of Vectron VGA Plus running a demo:
I previously built a massive 7400-logic based VGA generator called Vectron VGA. While it was a nice project to build, it is huge, and not very practical to keep around for use in lots of other projects. I built Vectron VGA Plus as a much smaller, simpler alternative.
Main components on the Vectron vga plus
Vectron vga plus bill of materials (BOM)
36 components, 20 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | SN74LS682N | SN74LS682N | U1, U6 |
| 4 | SN74LS244N | DIP254P762X508-20 | U2, U5, U9, U16 |
| 1 | 74LS273 | DIP254P762X508-20 | U3 |
| 1 | SN74LS74AN | DIP794W45P254L1969H508Q14 | U4 |
| 5 | 74LS161 | SN74LS161AN | U7, U8, U11, U14, U18 |
| 1 | SN74HC32N | DIP794W45P254L1969H508Q14 | U10 |
| 1 | AS6C4008-55PCN | DIP254P1524X393-32 | U12 |
| 1 | SN74LS04N | DIP794W45P254L1969H508Q14 | U13 |
| 2 | SN74LS245N | DIP254P762X508-20 | U15, U17 |
| 1 | 25.175 MHz Oscillator | Oscillator_SMD_SeikoEpson_SG8002CA-4Pin_7.0x5.0mm | X1 |
| 1 | Address In | PinHeader_1x18_P2.54mm_Horizontal | J1 |
| 1 | Data In | PinHeader_1x05_P2.54mm_Horizontal | J2 |
| 1 | G | PinHeader_1x01_P2.54mm_Horizontal | J3 |
| 1 | VGA Out | PinHeader_1x05_P2.54mm_Horizontal | J4 |
| 1 | Power | PinHeader_1x05_P2.54mm_Horizontal | J5 |
| 1 | L77HDE15SD1CH4F | AMPHENOL_L77HDE15SD1CH4F | J6 |
| 1 | Mode | PinHeader_1x02_P2.54mm_Horizontal | J7 |
| 4 | 220 uF | CP_Radial_D10.0mm_P7.50mm | C1, C2, C3, C4 |
| 3 | 100 ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R3, R5 |
| 3 | 200 ohm | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R4, R6 |
Vectron vga plus design files
The KiCad project lives in the nickbild/vectron_vga_plus repository on GitHub; these links point at the commit this page was built from.
Vectron vga plus: common questions
How big is the Vectron vga plus PCB?
The Vectron vga plus measures 177.8 × 139.7 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Vectron vga plus?
36 components, from 20 distinct parts. The full bill of materials is listed on this page.
Where can I download the Vectron vga plus design files?
From the nickbild/vectron_vga_plus repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Vectron vga plus design in my own project?
Yes, under the terms of its MIT license, which nickbild chose for the repository.
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