2 layers26.7 × 31.4 mm
2 layers112.4 × 74.2 mm
AppleVGA
markadev/AppleII-VGA207VGA card for Apple II+/IIe computer
- Size
- 112.4 × 74.2 mm
- Copper layers
- 2
- Thickness
- 1.2 mm
- Parts
- 35
- Nets
- 97
- Pads
- 286
- Tracks, vias
- 404, 37
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 2 Jan 2022
- Updated
- 5 Dec 2025
Overview
AppleVGA is an open-source printed circuit board by markadev, from the markadev/AppleII-VGA repository on GitHub, published under the MIT licence. It is a 2-layer board of 112.4 × 74.2 mm with 35 parts on 97 nets, routed with 404 tracks and 37 vias.
It is built around the 74LVC245AD and DMG2305UX-7. Its parts include 15 resistors, 5 ICs, 4 capacitors, 2 connectors and 1 diode. It belongs with the RP2040 boards of this library.
Main components
2
74LVC245AD
SOIC-20-300mil-40℃~+125℃ 1 1.65V~3.6V 2.9ns@3.3V,50pF 24mA 40uA 74LVC 8 Bidirectional Schmitt trigger Tri-State SOIC-20-300mil Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffer/Driver/Transceiver
DMG2305UX-7
SOT-23-55℃~+150℃ 1 P-Channel 1.4W 10.2nC@4.5V 20V 52mΩ@4.5V、100mΩ@2.5V 5A 77pF 808pF 85pF 900mV P-Channel SOT-23 MOSFETs ROHSDiodes IncorporatedMOSFETs
README
AppleVGA/README.mdAppleII-VGA expansion card
Requirements:
- KiCad 8.0 or later
This project uses additional KiCad libraries:
Parts
35| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 0.1μ | Capacitor_THT:C_Disc_D4.3mm_W1.9mm_P5.00mm | C1, C2, C3, C4 |
| 4 | 10K | AppleVGA:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Thin_Horizontal | R1, R2, R3, R15 |
| 4 | 74LVC245 | Package_DIP:DIP-20_W7.62mm_Socket | U1, U2, U3, U4 |
| 3 | 1K | AppleVGA:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Thin_Horizontal | R5, R8, R11 |
| 3 | 2K | AppleVGA:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Thin_Horizontal | R6, R9, R12 |
| 3 | 500 | AppleVGA:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Thin_Horizontal | R4, R7, R10 |
| 2 | 47 | AppleVGA:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Thin_Horizontal | R13, R14 |
| 1 | 1N5817 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D1 |
| 1 | AppleIIBus | AppleVGA:AppleIIBus_Edge | J1 |
| 1 | AppleLogo_5mm | AppleVGA:AppleLogo_5mm | LOGO1 |
| 1 | DMG2305UX-7 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | JumperPads | AppleVGA:SolderJumper-4_P1.3mm_Bridged12_34_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
| 1 | Pico | MCU_RaspberryPi_and_Boards:RPi_Pico_SMD_TH | U6 |
| 1 | PowerTestPoints | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | TP1 |
| 1 | Reset | Button_Switch_THT:SW_PUSH_6mm_H5mm | SW1 |
| 1 | SignalTestPoints | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | TP2 |
| 1 | VGA | Connector_IDC:IDC-Header_2x04_P2.54mm_Vertical | J2 |
The 33 most common of 35 parts.
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Questions
How big is the AppleVGA PCB?
It measures 112.4 × 74.2 mm and has 2 copper layers, 1.2 mm thick.
What parts does the AppleVGA use?
35 parts, built around the 74LVC245AD and DMG2305UX-7. 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 AppleVGA KiCad files?
From the markadev/AppleII-VGA repository on GitHub, at the commit this page was made from: the board is AppleVGA/AppleVGA.kicad_pcb and its schematic AppleVGA-Connector/AppleVGA-Connector.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the AppleVGA design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).